I don't see him going the way of a Tsitsipas, (or, worse, a Dimitrov.) I think he has too much fire, too much spite and malice. Remember, he was a junior with Alcaraz, so the sense of competition there seems set. Plus, The Deathless One won't play forever.
Frankly, I still hope Tsitsipas doesn't go the way of Tsitsipas. Nobody did him any favors labeling him "The Greek God" before he deserved it. If he can get over his sense of entitlement, work with his talent, and put on his big boy pants, maybe he could yet make something of himself.