Like SAT and ACT scores inflated 5-8 points from the 70s when now have GPAs ranging over what used to be a perfect 4.0
Reeks of participation trophies
As I understand it, they’ve had to “recenter” SAT scores repeatedly, but what they most significantly done is is shorten the tail at the high end, so they get more 800 math scores.
I believe Mensa stopped accepting it as an IQ proxy after a major redo a couple of decades ago.