And I'll add that most good leaders aren't born that way. For most, it takes some trial and error. Maybe Flores has learned from the mistakes he made in Miami? It's certainly what we were counting on with DA and the Raiders job. Maybe Flores would have struggled too, but I don't think you can assume he would not have realized that he handled Tua wrong and needed to be more careful about that with certain players in the future.
And I'll add the power of positive thinking approach that McDaniel uses is great, but it can begin to fall on deaf ears if the team isn't winning.