I am stridently against expansion because there simply aren't enough deserving teams to remotely justify adding eight teams, but fan interest in the sport is very high right now and the level of play throughout the college game is at an all time high because more good players stay in school due to NIL. And I always have loved the tourney in part because of the upsets and unpredictability, but on the other hand, it isn't necessarily an awful thing if the best teams are really good and you end up with a bunch of elite teams playing in the last couple weekends. I mean, in every other sport, pro and college, people get very excited when you have great matchups late in the playoffs/tournament. No one complains if the two best teams in each conference make the conference/league championship games/round in pro sports, or if four really good teams make the semis of the football playoff.
Like I said, I hate the idea of expanding the tourney. But I am not convinced the lack of upsets will necessarily be an annual thing, just because strange things happen in a one-and-done event. But if the Elite 8 and Sweet 16 see fewer longshots, it doesn't suck watching really good teams compete at that stage of the tourney.