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. If you try to address an idea, your success depends on how good the idea is; if you try to silence it, your success depends on how powerful you are and how many pitchforks and torches you can provide on short notice.
For those who tend to believe free speech should not protect you from criticism/social opprobrium/etc, does the same apply to Communists in Hollywood? Remember, the blacklist was not an act of congress - it was nothing more than an article in the Hollywood Reporter.
A few years ago mainstream opinion was opposed to blacklists, I guess it's different now?