Let's be a little more honest here. You say this, but like everybody else that makes this statement, it only applies to things that align with your narrow view of the world.
It's a common tactic to root out and silence opposing view points used in dictatorships and non-free nations. As long as someone isn't making death threats or something similar, speech should be free.
But I think people like you need to have their livelihood and speech taken away for good for something they said on the Internet to fully understand why speech needs to be free and protected for all, not just the chosen few.
If I donated some money to a pro-gay marriage proposal, I shouldn't get fired from my job (or bullied online)..so why did the ex-mozilla CEO get bullied and then fired for donating to what he believed in? Because it's against the narrative? This isn't how freedom is supposed to work...
How about gangsta rap groups of the late 80s? Local law-enforcement and many other people used the exact same words that you use today: The freedom of speech has limits. Should they have been prevented from going on stage?
How about occupy Wall street? Why should specific types of speech be allowed in the name of freedom and others deemed conflicting with 'human rights'????
I suspect you and many other people posting here will
attempt to come up with reasons why the examples I listed should be accepted but other forms of free speech (which happen to be against your personal views) are wrong and need to be silenced.
This bullshit only creates a divide between us and if our society weren't so lazy, it would lead to another war.