I think similar to evaluating players, you have to look at ‘skill set’ more so than record and championships. Particularly pertaining to players and coaches that haven’t been in the league for awhile. For coaches their offensive and defensive philosophies, basketball IQ, ability to adapt, communicate, leadership, ability to teach and develop, attention to detail, passion and commitment are some main qualities that I think are key for a good coach.
Jury is still out on Walton but I feel like he at least has the majority of qualities that make a good coach so I have a reasonable yet guarded level of optimism things will work out. Obviously in an ideal situation as a very inexperienced coach he flourished during his short stint in golden state, LA was a mixed bag that ended poorly dealing with several strong personalities, dysfunction throughout the organization including trade rumors involving their entire young core fueled by Lebron and major injuries. I’m sure he learned a lot in both situations that he can bring here