One and done players are often not the stars of their college teams. Sometimes they're not even starters on a great team.
BYU had a top 20 team last season and one of its best veterans who was injured all year has returned 100%. Baker, Hall, Saunders, Fouss could all up their games this year.
We have to get used to how this works. NBA drafts one and done 19 year olds for their future potential, not for playing 30 minutes per game in their single college season.