Get out your notepad kiddo.
Of teams where OAD’s have logged 30% or more of the minutes for a team in the OAD era:
100% have made the tournament
100% have made round of 32...yes, 100%
90% have made the Sweet 16...yes, 90%
70% have made the Elite 8
50% have made the Final Four
40% made the championship game
20% won the national title.
So if you have OAD’s log 30% or more of minutes, you have a 50/50 chance of making the Final Four and a 1 in 5 chance of winning it all.
Considering your odds of winning it all with 347 D1 teams is 0.29% each year, this would suggest that it’s not 5 or 10x, the facts show you’re almost 100x more likely to win it all with the OAD model than without it.
Maybe Coach K, Cal, Roy, Self, etc aren’t as dumb as you think. Maybe you just wouldn’t pass Statistics 101.
https://www.washingtonpost.com/graphics/2019/sports/march-madness-one-and-dones/