This logic works really well until you consider that everybody thinks that they're the ones who "know better". Historically, there haven't been many vocal grou

This logic works really well until you consider that everybody thinks that they're the ones who "know better". Historically, there haven't been many vocal groups who thought they were on the wrong side of the cause they were championing. How does society tell the difference between non-majority groups who are actually right and non-majority groups who just think they are?