What happened to you is horrible. It is horrible when it happens to anyone.. but it happens to a lot of homosexuals as well. Your story is upsetting, but I don't think that it is an example of how "gays" as a group behave. Every group has a "dark, intolerant, abusive side." And "there is zero tolerance among such people for anyone who dares to disagree with them."
Sorry you had the experience you did. Those people should be arrested. Were any of them caught?