He has chosen not to. Pope should not have lured him away from BYU and taken him to Kentucky with him. That's a dirty deal.
I'm a fan of BYU players. I'm not a fan of players who ditch BYU. It's their choice, so be it. But don't expect me to like it. I'll probably never watch a KU game coached by Pope or that Chandler is playing in. Only if they should happen to play BYU sometime, which is unlikely. So I have no interest in the continuing basketball success of either.
If I see an article about how they are doing personally I'll read it because they are people who share a connection to the Church. I hope they do well in life.