Just so people are clear here, America has never had a right to free speech in the sense that a lot of people seem to be thinking. America has only ever had a legal right to free speech (and even then with many exceptions [1]); only government is bound by this. People tend to forget that the Constitution (and First Amendment) only applies to government. I haven't made up my mind whether Mozilla should have fired Bren…
But one can also appeal to a more general principle of free speech, which is ultimately what many people are doing. Scott Alexander has useful thoughts on this topic: http://slatestarcodex.com/2013/12/29/the-spirit-of-the-first...
"A good response to an argument is one that addresses an idea; a bad argument is one that silences it."
The gay activists here are attempting to do the latter. It's no different from assorted people attacking Kathy Sierra [1] or Scooby1961 [2], except of course that we happen to like Sierra and Scooby's opinions.
[1] http://en.wikipedia.org/wiki/Kathy_Sierra#Harassment [2] Scooby is probably less familiar to the HN crowd, he's a bodybuilder/fitness guru who was doxxed by 4chan for no apparent reason. http://newmediarockstars.com/2013/07/4chan-bullies-fitness-g...