"If you don't want to be shunned from society, don't be identified as someone who does socially unacceptable things," warned the Holy Inquisition and every Puritan minister.
While I understand the short term gratification, I find this dangerous long term.
For all the failures of the old norms and methods, at least there was a way to formally abjure your antisocial beliefs and get accepted back into society.
Today not only we didn't yet develop such a code, but we also leave a permanent trace of our past blunders and misplaced allegeances which are now permanently associated with our identity.
Precedents of this scenario create anxiety in a lot of moderate people, most who are even agreeing with the majority of the zeitgeist.
Regular people may not be vocal about it, so we get a perception that now only KKK folks are whining about freedom of speech.