It's funny how people find a way to insult Phil Jackson and Bill Belichick so they can make arguments for their players.
Belichick and Jackson are two of the best coaches in sports history.
You can definitely talk about how the coaches affected the players, but let's not pretend Jackson and Belichick became better coaches because of having some GOATs on their teams.
A coach can help make players great. Players don't make coaches great.