Because, and I think this point has been made a bit better than I was trying to in some recent threads following last weeks South Park episode, people like Nyberg and people who are SJW's and whatnot are not following a cause because they believe in it. They are following a cause because it is an outlet or a means to fit in, somewhere.
You could say that being an SJW is a religion, just like tons of people who watch football every sunday and think the cheatriots stole 23 super bowls in the last 10 years have the NFL as their religion. If you don't truly enjoy or believe in something, it is more likely that to compensate for that lack of conviction you will be evermore vehement and blinded to anything than the narrow focus to which you've devoted yourself. (An NFL team, Bruce Jenner is a hero, whatever)
Edit: I should say, actual religion is manipulative and man-made enough to where truly believing forces a person to be akin to your typical Tumblrina.
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