I think he is moldable. If he goes to a bad development team he will be limited. If he goes to the Spurs or to us, I think he can reach unexpected heights. But he does need a strong patient coach behind him.
Definitely, I think team environment will be as important to him as any player in the draft. The one caveat I have, and this is what I really like about Bilal, is that his defense is almost in "can't fail" territory. His offense can go in a lot of different directions, good or bad....but I think defensively he's going to be good no matter what. His physical tools + mentality are too good to fail. He's physically gifted, but he also plays hard and stays engaged. There's some carryover to his offense too. While he is timid to shoot or create for himself he is very active in cutting and crashing the glass. For this reason I consider him to be a relatively "safe" pick with a great deal of upside.