Personally I don't believe he was throwing smitty under the bus. Back in the day Smith was a diva. We all know he was. He's changed a lot now, plays with the most passion in the game but he's changed his attitude. He's said it himself. He was younger and when you're young you tend to be more brash than when you're a bit older and more wiser.
He was a diva...still is to a degree.
Difference is today he will stand in front of a camera and talk about how mature he is and grown (sounding awesome).....the following week he will go trash talk Cam and complain to the media, then not control his emotions in a game taking himself virtually out of plays, etc. Still the same ticking time bomb.
Good dude away from the game. Smith has proven time and time again.....if you put him in a competitive enviroment it tend to bring out his negative qualities.