We ought to test that sometime. You know, for science.

But yeah, we're not that unusual in that respect. Even people who don't think about feminism at all quit all kinds of things for all kinds of reasons, including dislike of a male character because they find him too unpleasant, too boring, too weak, too annoying, or too anything. If anything socially conscious fandom types are unusual in that they'll keep following series where they think all the male characters are horrible people because engaging with the discussion about the series is important to them.