Yes but it appears your opinion is that you want to trash their opinion.
When you make comments such as
you appear to be driven by anger.
Sure there is. He is clearly well respected by BB. He has received the majority of his coaching education from BB. He has been very successful as an assistant for BB.
It makes sense that BB would like toi groom a successor if possible. McDaniels is by far the top candidate if that is the case.
I get you don't like him, but its kind of naive to not think that BB would be forward thinking enough to train his own replacement, and while we have no clue how long it could be, out of the current staff its plain as day, if he is training one McDaniels would be him.
It is equally naive to assume that there would be any promises made in order to lure him to the best job he could get. I am sure though, that it is something he is competing for every day.