Here's what we know:
He's a TN guy who worked at a power 5 program. He seems to have been successful at that program. Given that it's K State with an 80 year old football coach, although a good one, I'm not sure what we could see there that would make us either thrilled or upset about the hire. I like that he's a TN guy, that's what we wanted. I like that he has experience, we wanted that too.
I think the other stuff about him being a "yes man", "someone they can control", and "not a winner", is probably speculation. Vol Colonel is freakin out about it on twitter, but hasn't given any reasons why it is a bad hire. Unless you guys know something I don't, I don't see a reason to be upset about it unless it's just because his name isn't David Blackburn