You missed some key things:
1) there is a difference between criticism and public criticism. Public criticism of management by the top dog is a no no unless you want to gut the guys power base and prepare for a jettison. This is whats called a displayed lack of support from the front office. How do you think this plays with the players and their buy in with their coach? And yet sarver said DA "lost the team". So he goes out and further guts his relation with his players by a public show of no support? Sarvers not that dumb, to undermine his coach like that and then want him to come back. Top management should never criticize the boss in front of his underlings, unless its over, he's gone.
2) Nobody quit on US, WE dont pay these guys and WE didnt hire them. WE dont determine their job security, WE are not even a factor there. As a matter of fact BC hired DA, so he didnt quit on his man at all, his man was already pushed out the door. As far as quitting or leaving, its part of every sport quit or be fired. NBA coaches have the shortest tenure of any job in the NBA. And did you hear sarver, he WANTED him to resign even if he wasnt offered a job from NY, chicago. I dont pretend to know everything that went on in these discussion and realize that we may never know. Many of your assertions require that you DO know. Hogwash, wake up and smell the coffee, none of us knows what went on, there is no reason for them to want to tell anyone the truth.
Some posters think because someone says something its proof of intent or reason. If you believe this, please dont vote in any election, do everyone a favor by removing yourself from the process. Sometimes the answers are evasive because they dont want to tell the whole story. Often its because everybody loses when you do.
So DA moved on in perhaps the highest turnover job in sports, get over it, it happens all the time.