I disagree when it comes to Gobert. Remember that the long two is the least efficient shot out there and defenses should encourage teams to shoot it. The reason you generally don't want the big to dive back to the paint is that the ball handler gets a head of steam to make a move around or jump over the big to get an easy basket. Gobert is just too long for that and can still affect passing lanes and the rolling big because he has pretty good timing and instincts. Kanter has neither at this point. In years previous, Kanter was good at hedging and is decently quick laterally to string out the ball handler so the small can recover. However, a good PG can eventually break this down and with Kanter as the 5, there isn't enough decent help to counter that, so you pretty much have to drop him back. He ends up in no man's land, though, and doesn't help on the ball handler, his roll man or a secondary cutter to be of much use currently.
That currently leaves the Jazz either porous defensively with a stretch 4, or compacted offensively when Kanter is with another big. Hard solution.