The issue at hand is the parameters of which they "make the test". Whether you agree or not with how one is suppose to pray, the spiritual laws that are necessary to implement, is not really the issue although don't mind addressing it.
Unfortunately though, someone doing a study on Tylenol as regards it quenching thirst is, while an incorrect use of Tylenol, something that could literally be measured/tested, even though it will likely turn out not to work in that capacity. In this case, they asked the people to pray, and because we're talking any religion here (as you, yourself even admitted should be perfectly acceptable) then "prayer" is whatever it means to these people individually. Do you really believe that you get to decide what constitutes prayer and what doesn't to people of all faiths? That is what you are claiming here... that there is a "right" way, and you, personally, know what it is. That's ludicrous. It would be exactly like the Tylenol for thirst study being conducted, and when it didn't quench thirst, someone would pipe up and say "But they were swallowing the Tylenol incorrectly!" and then citing that God layed out the specific methods by which one needs to swallow Tylenol in order for it to quench thirst, and gave them a book with this revelation in it.
There is a difference between "excuses" and wrong implementation. I find it confusing that you would think that taking Tylenol for thirst would be classified as "an excuse" instead of the wrong ingredient to satisfy the thirst which would be water or that you would even find that "confusing".
No, I readily admit that Tylenol for thirst is a wrong implementation, but that doesn't mean that its efficacy in that regard cant still be tested or measured. What YOU are doing is the excuse making. The prayer didn't work, and so you are making excuses as to why. An analogy to what you are doing is exactly what I stated, which is that, when the Tylenol didn't work, someone comes back with a bunch of excuses about how everyone was taking the Tylenol incorrectly. That's completely analogous to what you are doing. The Tylenol was found not to work to quench thirst - the parameters for the test were set this way, and the results are what they are.
So, yes, the spiritual laws for prayer are specific.
But a pretty major point like which God you are praying toward doesn't matter? Please think about that in terms of the 10 commandments. Something, perhaps, about having no other Gods before "me" - perhaps you can remind us who "me" is in that context? Again - nothing but excuses. Even your proposed compromise is nonsensical with regard to other articles of your faith.
Yes, He is particular. To exaggerate for example sake, it would be like saying "God should heal a headache when you are praying to finances"
So you're saying that the test-givers asked the people to pray for
finances and then measured the amount of
healing in the hospital that was enacted? Now, in that scenario, I would admit that the parameters were set wrong. But your
ridiculous claim is that asking people of
various faiths to pray for healing, but not specifically instructing them to pray how Christians pray, is somehow setting parameters wrong. Why would people of other faiths even necessarily care how Christians pray?
You may find it "petty" but there are laws. There are laws of physics, Do you find laws of physics "petty" when you are trying to use it in science? Is the law of gravity "petty" when you want to fly an airplane?
The "laws" of physics cannot be petty, because there is no intent behind them. No opinion. No mind. No decisions being made to choose one thing over another for specific reasons. It is literally impossible for them to be "petty" - they simply are what they are. However, you Christians give God a mind, even a genius one, and intent, and forethought, etc. So God
can be petty. It is that simple.
Regardless, IF they are going to do a "prayer test" but they are going to ignore the context of what prayer is about, it isn't petty, it is wrong application of the laws of prayer.
Please demonstrate to me how you know, for sure, that you have chosen the correct "laws of prayer". And please do not tell me this is "off topic" - it is basically 3/4 of your OP.