I don’t know much about him, but I’d be ok taking him with the 51st pick. It’s not often you find great players that late, so we can afford to miss on a solid bench contributor (most likely a wing, which there are a plethora of at bargain contracts). If we package Williams in a trade for AD, this could be a nice project.
You can’t teach height. Everything else can be improved. Athleticism, quickness, defensive awareness, basketball IQ, shooting form, etc. can all get better with hard work.
Low risk (unless someone completely unexpected falls to us that late), but could be high reward as he could become a defensive monster and good for easy buckets/extra possessions.