And usually, when I take the bate, and go and search the site for evidence, I am always disappointed and further inundated with yet more unsubstantiated claims.
Then this domain -scientific understanding - is apparently not for you. You seem to be closed out at every turn. You can't assimilate scientific understanding from a post (you're still very confused about where carbon comes from after several explanations, and you seem to understand nothing about radioactive decay after having had it described to you repeatedly as well), you say that you can't benefit from a provided link, and you seem to be saying that you are unable to learn science using Google. Sorry, but short of private lessons with a tutor or enrolling in a school, you have no access to this information.
This is what a faith based confirmation bias that selects what you can see and cannot see before ideas ever enter consciousness looks like. When people report that they can't see the evidence, or can't see how what is presented constitutes evidence, they aren't lying. In fact, they think the people disagreeing with them are lying - deliberately spreading known falsehoods - and wonder why they are being so dishonest.
This process goes by two names: antiprocessing, and Morton's demon. It's worth a look-see:
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Antiprocess - Wikipedia - "is the preemptive recognition and marginalization of undesired information by the interplay of mental defense mechanisms: the subconscious compromises information that would cause cognitive dissonance."
Morton's demon is the anthropomorphizing of this process invoking an imaginary demon analogous to Maxwell's demon who sits at the portal to your mind and admits some ideas while blocking others according to whether they support or contradict the ideas believed by faith. It was the invention of earth scientist and former young earth creationist (YEC) - now an old earth creationist (OEC) - Glenn Morton:
"Thus was born the realization that there is a dangerous demon, Morton''s demon <
Creation Science, Morton's Demon >, on the loose. When I was a YEC, I had a demon that did similar things for me that Maxwell's demon did for thermodynamics. Morton's demon was a demon who sat at the gate of my sensory input apparatus and if and when he saw supportive evidence coming in, he opened the gate. But if he saw contradictory data coming in, he closed the gate. In this way, the demon allowed me to believe that I was right and to avoid any nasty contradictory data. Fortunately, I eventually realized that the demon was there and began to open the gate when he wasn't looking.
[snip]
"The demon makes its victim feel very comfortable as there is no contradictory data in view. The demon is better than a set of rose colored glasses. The demon's victim does not understand why everyone else doesn't fall down and accept the victim's views. After all, the world is thought to be as the victim sees it
[snip]
"But one thing that those unaffected by this demon don't understand is that the victim is not lying about the data. The demon only lets his victim see what the demon wants him to see and thus the victim, whose sensory input is horribly askew, feels that he is totally honest about the data. The victim doesn't know that he is the host to an evil parasite and indeed many of their opponents don't know that as well since the demon is smart enough to be too small to be seen."
Morton is describing his own experience both in and out of YEC. I find him sincere and credible. If he says that he was blind to this process, as counterintuitive as that claim may seem, I believe him. The mystery is how he broke free.