He wasn't at Tennessee long enough to leave it in shambles, but that's a different story. I don't like him for how he left UT after one season (Willie Taggart is now on this list, along with Todd Graham, who did it twice, among others.). Still, he improved the record there over the prior year (Fulmer's last).
I think USC's problem was more Pat Haden and sanctions than Lane Kiffin.
The Raiders.. they were 2-14 the year before he got there, and Al Davis was the owner. Enough said.
The guy will get a bigger job, assuming he wants one. He seems to have benefitted from his time (and ass chewings) under Saban.
But, he might just be happy where he is. It's a nice place to live.