A very interesting person with lower grade/test scores can be accepted to USC or be offered TTP. Maybe they are an amazing musician, or artist, or writer or just plain interesting overall, but stink at math. They can still be just the type USC wants, which is the beauty of the diversity of USC. Even though the USC freshman class profile rivals many elites, it is not a stat driven school, thank goodness.
I also don’t know how anyone can be sure of someone else’s gpa and test scores. Kids talk — they brag their scores up and they will brag their scores down too. They will also embellish the schools they get admitted to, when in fact they did not. I couldn’t pretend to know with 100% certainty the test scores and gpa of even the daughter of my bff. That is personal stuff like how much money one makes. I wouldn’t worry about anyone else getting in anywhere except my own.
I just feel it is best not to surmise and judge others on data that is not verified, and even if it was, it is someone else’s decision to make.