These are professional athletes. It might be more difficult, but there is absolutely nothing wrong with practicing and then playing in the same day in the preseason/offseason. It's just conditioning. It happens at high levels of every sport.IF he wants out, it potentially could be because he doesn’t enjoy playing for a coach who puts him through a full practice in the morning then plays him 24-35 minutes the same day as an ongoing thing.
At a certain point, it can also be a “all my friends are gone, I have no loyalty to this GM, and I have no faith in the current management”.
He doesn’t seem like the type of guy to not report to camp, unless there’s been some significant behind the scenes bad blood.