Dude can’t help himself, and things get worse for him; but as long as he can play at a high level, things won’t get too bad.
Unlike his surly fictional precursor, he seems to have come from a stable loving middle-class sort of background; but he also seems mentally unstable, and guns/defiance look to be a crucial part of his shaky self-care.
Beyond all this, there’s his hugely powerful symbolic resonance in the gunsickest country in the world. Ja Morant is America’s gunsickness right out there on the world’s biggest screen for all the world to see. Look out, world, here we come!