Sure but the cheap market would not exist if a majority of people would not buy the game at full price. Sure there are a lot of smart people who don’t fall for the FOMO and hype but if a AAA game would only sell for 30€ it would not offset its development cost and no new game would be made.
I think there is a strong difference since the steam rating usually ranges between 70% and 97%. This makes the gap way wider then the numbers suggest