Right - all for free speech as long as the right opinions are presented - by the right people
It is OK to disagree but really stupid to alter criticizing content and probably illegal.
And after having been hammered by the community Huffman has finally seen the light:
As the CEO, I shouldn’t play such games, and it’s all fixed now. Our community team is pretty pissed at me, so I most assuredly won’t do this again
Good to know
and you should not have done it in the first place. 
The internet can be incredibly provoking and we all need to find a way to get to terms with it before some governments come up with the brilliant idea to do it for us - ensuring censorship and correct "opinions" from North Korea to the US.
Tolerance will be a necessity in the process and intolerant stupidity like the one from Huffman will undermine the free internet.
Regardless of whom you agree with.....accepting the deviant opinions is the vital part of free speech not the mainstream opinions that everybody can agree with.
More here