His NIL paycheck cashes whether he sees the floor or not.
This. All the other reasons he transferred are "nice to haves." The checks are all that matter.
Really?
Yes - He can play with his brother, play near home, cash a solid NIL check, probably experience an elite 8 or final four, and fight for a few minutes per game, or he can stay in Athens, play with hugely inconsistent, and not great players as teammates and play in an unreliable offense where he may get 15 shots, or as likely 7 shots a game, often be asked to play "up" in position, and hope the team somehow catches fire in March and secures the single bid for the league.