Here are my thoughts from the moment I first watched the video. After 17 pages, I'm sure somebody else may have mentioned it.
While I know Tony did not mean to kill the poor kid, I do think he was trying to send a message and lost control of either his temper, his car or both.
Tony Stewart has always spoke about teaching the younger drivers about respect, etc.
My assumption is he was trying to scare Ward and misjudged his car.
How anyone can say he is not at all accountable, in any way, is beyond me. Ward did not literally jump in front of him. If Stewart could not see him, he was too close to the car in front of him and probably too high on the race track as well. The car in front of Stewart did not hit Ward.
If a guy is walking in the street at home and I hit him with my car, I have some fault in that. I hit the guy.
Tony Stewart should be held accountable for his actions.