Yep... links in one, two, three and... oh yeah, four people that you listed. Not to mention the fact that there dozens of other links between those guys and other variables.
How many millions support evolution without believing in genocide, hmm?
Perhaps we should judge Christianity based on its actions in the Crusades? The Inquisition? How about the colonization of America? There are links between God and extreme violence there, too.
Oh, wait... not all Catholics have to believe the same thing. Right.