Yeah, really. They really needed to call something else (heavier) in. I'm willing to bet that if our military presence wasn't so heavily overseas that this would have been delt with before he did any real damage, but that's another discuss in itself.
I actually learned about the "Killdozer" movie through this.
Oh, man, one just has to wonder how the businessmen and women who screwed this guy over have lived their lives since then. In all likelihood, though, their reaction was probably akin to the reality TV camera from the Simpsons: 'I'm getting a taste of my own medicine, yet I learn nothing!"
I'm amazed I never heard of this. Its an ordinary civilion...who built himself a frikkin tank...and used it cause his hometown to crap in terror in sync.