Nice truck, why beat the hell out of it like that?? Seems pretty pointless to me.
You could say the same thing about all the Jeeps, Broncos, and even Range Rovers that go there. The answer is because I want to see if it can be done.
If he built that for serious rock crawling, he did it wrong. My guess, he never would have done it if it wasn't to be filmed and put on Youtube.