If the team doctors think he's healthy, he's good enough to merit it. It's only the rookie max, it's basically the same deal someone just decent like otto porter got, +1 year. For a player like embiid, i think it's worth the risk. if his leg falls off or something and he medically retires they can get it cleared... or if he's still trying to play, but is hurt, they can get insurance money. Whatever!