Jumping on your last point, I was in a local Game store and a woman who clearly knew nothing about games was birthday shopping for her son, she asked the owner what if he thought Superman 64 would be a good gift.
To the man’s credit, in complete deadpan, he said “that game is absolutely terrible, it’s the worst game on the system”
They don’t work.
They measure a bunch of vital information, but they are wrong almost as often as they are right. They’re total garbage