I never said trust the government, there is real science that says vaccines are safe, and the main study that says there was a link has been debunked. This guy is a charlatan who preys on vulnerable people (people who feel guilty about having autistic kids). But he is causing a bigger problem - the spread of real infectious disease. I recommend this article for a good overview on the issue:
http://www.wired.com/magazine/2009/10/ff_waronscience/