If you put the ten most gregarious, talkative people you know in the same room, a couple of them will seem to be “quiet” in that crowd.
The student at the bottom of his graduating class at an Ivy League university is still pretty damned smart compared to the average college student.
The guy at the end of the bench in an NBA game, waving a towel, would score 50 at your weekly rec league game.
Everything is judged relative to what’s around it (this works both ways — for the lowest and the highest achievers in any group).
Remember this when comparing things or people or ideas. Anything can look fantastic or mediocre or terrible depending on what it’s placed next to.