Judge him like a proper 'hacker' would, and that's by the quality of his products and his code.
Matz is Mormon (and he's Japanese, seriously what's with that!), and Jamis Buck is also a well known programmer who is very religious.
I'm not into god myself, but we're programmers and let's judge each other on our works, not our beliefs.
Don't let good technology go to waste just because of the "weirdness" of the people behind it. It reminds me of the people who thought it horrible to use ReiserFS after what happened.
The point is that you don't have to support people you disagree with.
I completely and utterly disagree with your comments, but if you were selling something useful to me, I'd consider it like any other product on the market.