I was a big Cam fan. It seems some haven't seen this yet. According to David Aldridge:
“At the Hoops Summit, Whitmore was not a practice-type player and didn’t look very good during the week. But once he played, he was one of the better players in the game. That’s going to have to change at the NBA level. He’s going to have to exert some effort, some ability and skill level in practice for a head coach to put him in a game. He’s not going to be guaranteed minutes like he probably was at Villanova.”
He hates practicing and doesn't put in any effort outside of games