You don’t magically get NBA ready by being drafted eitherI don’t get why people say this… you don’t magically get NBA ready by staying in college
His biggest issue that he can control is his hustle, his handle, and his assertiveness on the offensive end. Those all can be developed in the league if you want.
But more importantly he was drafted in a very weak draft class, if he decided to wait he probably never gets drafted as the talent pool he’s better