Amen... Boatright has talent and will improve with better players around him.
You're both missing something, it seems, very important to your thesis: namely, that the only difference in the "players around him" next year is (potentially) going to be the center, where Olander will be replaced by a raw big with limited minutes.
He'll still have Shabazz, DD, and Calhoun at the other three spots, with Giffey off the bench.
Oh. Unless Shabazz leaves, in which case he'll have worse talent around him.
Boat next year is likely going to be a somewhat improved version of his current self, but he'll still be 5/8 or 5/9, and, unless he drastically improves his dribble ball protection, we're still going to see him getting roughed up on occasion. And given how passionate he is, I can't see his emotion control level changing.
In any event, I think expectations of a big jump for next year are waaaaaaay to optimistic.