You are presenting a very distorted and inaccurate view of Jws. In 1978, there were 2,086,698 Jws world wide in 205 lands. As of 2012, there are 7,395,672 Jws in 236 lands. It is true some leave the faith, as they did in the early Christian congregation, for a variety of reasons. (1 John 2:19, 2 Timothy 4:10) Following the Christ requires dedication and strong faith, as well as a spirit of self-sacrifice. Many are simply unwilling to do this.(Luke 9:23)
No, you are presenting the distortions and inaccuracies; because you are just presenting the official line the Watchtower Society presents to the public. The only time they acknowledged a real decline in publishers was in the late 70's, and the losses were blamed on those who lost faith because of an inaccurate understanding of God's word. Even by 1975, the publications that were proclaiming the year 1975 heralding the end of this system of things (such as Life Everlasting In The Freedom Of the Sons of God) had been removed from Kingdom Hall libraries, and since my father had received that book several years before actually joining, he wasn't aware that he had a prohibited book sitting on his library shelf!
What is most striking...especially when we consider that this is a religion that claims exclusivity in being the only Christians who will be saved when the Kingdom is established, is how much the growth rate has fallen since the time I was involved. Back then, when learning the door to door ministry, we were taught to mention the fact that Jehovah's Witnesses was the fastest growing religion in the world wherever possible, to at least make the subject curious about what they might be missing out on. Nowadays, as a statistical analysis of the numbers of average publishers, no. of baptisms, and numbers attending the annual memorial service show -- the rate of growth post-1995 is less than half of what it was prior:
A detailed analysis of Watchtower Statistics regarding publishers, baptisms and leavers. concluding that:
The Watchtower explains the Last Days have continued so long as Jehovah desires all to attain to repentance. If only active Jehovahs Witnesses will be
saved then this Scripture does not make sense. On average, over 200,000 people are born everyday, but the number of active Jehovah's Witnesses increases by only 224 (2005 daily increase in average publishers). Each day that Armageddon delays requires Jehovah to destroy an extra 200,000 people.
It has been stated that Jehovah is speeding up the growth of the Watchtower Society, with predictions that the momentum would continue.
JEHOVAH is now speeding up the ingathering of sheeplike ones. Surely, then, this is no time for his people to slow down in their Kingdom-preaching and disciple-making work. (Isaiah 60:8, 22; Matthew 24:14; 28:19, 20) Indeed, increased witnessing activity by so many more publishers and pioneers is now stirring up the world field. And the momentum of this joyous ingathering will yet grow.Isaiah 60:11 Watchtower 1988 Jul 15 p.15
Statistics show this no longer holds true. It will take major policy change for the Watchtower Society to have a hope of turning this trend around and start growing at any significant rate.
Even back in my middle teen years, when I believed, I found the fact that the vast majority of people in the world would be unsaved to be a troubling concept always in the back of my mind. This is even more the case now that the rate of growth of this religion, even with requiring more hours of proselytizing, can never catch up with the rate of population growth in the world. So, the longer it takes to reach whenever that final day is supposed to be, the more people are decimated during the end times. For the record, I believe something similar to a massive dieoff of the world population is going to happen at some time in the coming decades; but if I believed that there was some divine controlling force allowing it to happen and doing nothing to stop it, I would say that this god is a trickster, who would treat his so called prize creation worse than a child would a pet dog, cat, or even a hamster!
The command to "abstain from...blood" does not come from a "handful of men in New York" as you allege, but from the Bible. (Acts 15:29) Neither is this command waived for dialysis or transplant patients, as you allege.
Well then, this is one more change that I wasn't aware of! An understanding from many years ago was that kidney dialysis was just a mechanical continuation of the circulatory system. But, if the blood issue itself was so important, why was it not made an issue before Rutherford took over? It's also worth noting that J.W.'s were anti-vaccers between 1921 and 1952
Medical Advice - Dangerous Watchtower Mistakes
Jw's do not "hide sex abuse scandals" nor try to prevent prosecution of anyone for sex crimes. Unrepentant sexual predators are expelled from association with Jws, as I am persuaded you already know.
The command to preach and teach comes from the Bible also, and Jws are the only religion that are truly following that command. (Acts 10:42,43, Matthew 28:19,20)
About five years ago, the Organization made the network news cycle when they had to settle 9 abuse cases. This NBC News clip shows they had no intention to notify police after learning about the abuse cases, and just like the abuse scandals involving the Catholic Church and other authoritarian religions, they are almost certainly the tip of the iceberg, since there are so many real and imagined obstacles standing in the way of the young victims notifying anyone about the crimes. These scandals are especially noteworthy, since Jehovah's Witnesses' literature trumpets every example of corruption and scandal in other religions, but acts in the same way as the others when scandal is at their door:
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NBC Jehovah's Witnesses child sexual abuse - YouTube
If we can get this little side issue about one particular authoritarian sect in the broader frame of what happens to organized religion in the next 50 years -- the biggest enemy of these groups now is the internet itself! With the arrival of internet networking, the open availability of information, fact-checking is so much easier than it was 30 or 40 years ago! I've noticed the same thing with ex-mormon groups, and in many others who have started to feel uneasy and question coercive, authoritarian cults and religions. This is even the case outside religion altogether....as anyone who is unsure about ESP, or UFO's, whether the Mayan Calendar actually predicts the end in 2012, or watched some bs conspiracy show on TV...like Fox...that the Apollo Moon Landings were fake....all of these stories have fact-checking watchdog websites that the curious viewer can go to if they really want to have a second opinion, and weigh in some contradictory facts to the stories they had been presented before. Back in the old days, no one had the time for all of this! Or more correctly, those of us who did, had to do what I did back in the 70's with the J.W.'s -- spend an idle winter while unemployed going to the library every day, researching information and even requesting books from other libraries. Now, with the internet, there is a deluge of information, and the only challenge is to learn some basic skeptical analysis tools to evaluate its authenticity.