"Speech Controls" imply this is some sort of government tyranny, and to that, that doesn't appear to be the case.
Sometimes people don't really understand rights, freedom of speech doesn't mean freedom from criticism or that you'll be necessarily protected from private repercussions.
Political correctness has been around forever, it's societal norms, and those change and I think it's very uncomfortable for a lot of people right now who suddenly find themselves on the wrong side of whats considered acceptable.
It's a clash and the complainers are simply those on the short end of it.
It's free speech to say you disapprove of homosexuality, and it's equally free speech to suggest someone should be fired from their job for taking that position, as an example, both are totally stupid, but they're both examples of free speech.
But if you think about all the people, due to, say for example, the political correctness of the 1950's and before, who had to suffer and sometimes die, either through external violence or suicide, because they couldn't admit who they were and they could not be with the people they truly loved... It's all about how you want to see this situation.
In 1950, it was totally unacceptable, under threat of violence and social castigation, to say you were gay.
Today, it's not really cool to call someone a faggot.
If that's the new social norm... I can live with that.