That's what always bothers me,why do you care what others people eat or something.
A lot of liberal Westies got this so-called "Messianic Complex" where they view themselves as paragons of virtue, thus, held the high moral ground. Add to that the romantic view of the "Youths are catalysts of change" concept, plus the "I think different, therefore I'm special" mentality, and you get militant people out to dictate even what you intend to eat. Same goes for radical conservatives; the only difference are the two different sides of philosophy on which they base their beliefs.
Any case, others who don't agree with them are inferior, bigots, and other labels meant to offend you, but often end up offending themselves.
Well, aside from their loud-mouths, they can't do anything to actually hurt you. In some aspects, their hate can be beneficial. Just like in games, those that earned their ire is often viewed by reasonable people as "good stuff."