today there was the thread about being 'uncomfortable' with a secondary school telling kids it's OK to be gay. a short while ago there was a post about someone being freaked out by two women kissing on a bus.
calling it being 'uncomfortable' is still homophobia. we wouldn't tolerate racism on here - imagine "i'm concerned that my DC's school wants to say it's OK to be black". the OP would be rightly slammed, but instead the queers on MN have to put up with people defending bigotry saying that people are entitled to have a POV etc.
Freedom of speech does not include the right to victimise and marginalise others for their race, religion, sexuality, age or other irrelevant attributes. I don't think its unreasonable to want MN to be a safe space where we don't have to deal with homophobia.