THere is a you tube video about this where pow’s went to congress to try to declassify info on pow’s or to find out if their loved one was actually mia or a pow? McCain worked very hard to stop any inquiry into the pow situation. It looked very suspicious. Now, if it turns out they were Americans there all along, that looks really bad for him. or worse, he made a deal with the vietnamese to keep all pow info classified, forever. That last one may be a bridge too far. Of course I’m just spit balling here. The sad thing is, at this point, I would believe possible almost any evil that someone surmises.
All questions and guesses are valid, as they could lead to other answers.
He’s long been part of the oligarchy. It was too ‘messy’ and troublesome to allow that info out. Too many hurtful repercussions to the ruling elite.