Mentally weak? Doesn't that describe most of the iowa team? As soon as they get outside of Carver, they chit their pants shooting the 3-ball.
Whether Bowen would have improved with more PT and led to more upside for the team at the end of the season is an unknowable thing. Ulis looks to be a dead end on offense,, so playing Bowen might have led to longer term success.
What I do think is predictable is that when you sit a kid like Bowen on the bench like Fran did, it doesn't bode well for keeping him from the portal. The players we lose to Portal are overwhelmingly out of state recruits, so Bowen fits that profile.