It does make one wonder how Ben would of developed if he hasn't had as many head coaches and a lack of a developmental coaching staff in place
You can wonder that but Buddy was acquired and basically thrown out there. He was not given advantage of developmental intensive (so to speak) before he started playing 25-30 MPG. Buddy was effectively told to "do you". With modest success more minutes were granted. Not unlike how Isaiah and his role expanded as Jimmer's role contracted. I think the real problem with Ben was NOT number of coaches and quality of developmental training. That's a cop out.
The real problem was Ben was granted TOO many minutes before he was ready, minutes he did not earn or deserve. His confidence waned. He couldn't dribble or pass against guys who seized on this weakness. It was throwing pup to the wolves. What could've made difference possibly would have been to bring him along more slowly. Sending him to the D-League to work on his weakness. And increase his confidence against inferior competition. But the Kings didn't have that luxury. The former GM miscalculated and we know how that played out.
The outgoing GM allegedly left a dossier on Giannis and said this is the guy. Ego or stupidity or something got in the way and the rest is history. Fans want to talk about circumstances and where a player is drafted as main determinants of success. I can tell you unequivocally if Giannis was the pick and experienced the turmoil and upheaval than Ben has gone through, his performance and prognosis would differ dramatically. Talent reigns.