Liking an OS isn’t a personality trait, but evangelizing for Free and Open Source Software which generally has no budget for advertising is a noble cause.
I mean if you come into a community which has a leaning it is just a natural consequence to get confronted with that leaning more then somewhere else, isn't it?
Like going into a Bible circle and saying that every other comment is about god which borders on obsession. I mean yes maybe but it is not surprising.
The problem is that I don't know whether or not it's gonna be worthwhile until I read the comment, and by that point, it's already too late, because I've already read it.