For simplicity reasons in judging his performance, I consider all decision made by the franchise as Vlade's. Whether they were made under pressure from ownership, or because of advice from lower ranking members of the front office, etc. Otherwise it would be impossible to sort his moves into "Vlade's moves" and "Others' moves".
That said, found this interview of Brandon Williams. Its actually pretty interesting to see what he thinks. Here is an excerpt in which he talks about his interactions with Vlade in the hiring process:
https://www.sactownroyalty.com/2017/8/9/16119832/interview-kings-assistant-gm-brandon-williams
"It’s very clear what his direction, what his vision is for this team. He experienced it here as a player and fell short. Had a fantastic team, a fantastic run, but fell short of what their goal was, but what he felt was a chemistry and camaraderie, guys pulling for each other, sacrificing for each other and that’s very much what it takes from top to bottom – ownership, management, coaches, players, extended staff ...
He laid out for me, in very short order, with us spending time over dinners and meetings, what it is he is hoping to build and he needed people who thought positively, also. Like, this is something we can do. So, it didn’t take long, it was a fire lit pretty quickly."