As an atheist, I am uncomfortable with Dawkins' brand of atheism. It can get too close to the Thought Police for my liking. See this article of his: http://boingboing.net/2011/01/24/should-employers-be.html
If a scientist is producing good research that is getting published in peer reviewed journals and is generally acknowledged to be contributing to the advancement of the field, I don't care how weird his personal beliefs are.