A significant percentage of people here identify as feminists or, ynno, are female. Or Black, or LGBT, or whatever. Hubski is a place generally free from Men's rights activists or Gamergaters or Stormfront brigades or much of the rest. It's a popular opinion here that organizations devoted to being "anti-SJW" end up as vectors of hate. Isn't it funny how you're using "social justice" as an insult, a term that represents equality between genders, sexualities, and races?
Free speech is the right to say what you want, not the right to be free from criticism. More to the point, it's the right to say what you want and not being censored by the government, not private individuals or websites. Calling "free speech!" as a defence is saying that the good thing about your argument is that it's technically not illegal to express. That argument is mocked because it doesn't make sense.
All that doesn't mean you can't stay. But you shouldn't expect a MRA circlejerk, and you shouldn't expect to be able to pass without a good argument.