There were plenty who were not fans of how he managed games, handled media, portrayed some fans, played favorites, failed to make needed change in a timely way, or was perceived to have loyalties trump results.

But it's certainly possible to disagree with on-field aspects of his role as a head football coach while admiring him as a person. If the OP could differentiate between the two, he would realize that very few on the board had any animosity towards Bronco the person.