To the first point, time will tell.
To the second, actually he did the opposite. He gave nothing away. Was he lying and not giving all the truths? Sure was. Do I care how and why Rex was fired? No, I don't know at all. I think it was obvious to everyone, except you, that Rex was not getting it done. So why push to get the how's and why's?
I find it funny that last week the media was upset that the Bills left Lynn out to dry with regards to question about TT. They asked all of about 3 questions about TT. Didn't push Whaley for anything on TT? What did they decide to push him on instead? Why and how Rex was fired? It was embarrassing for all involved.