Earlier quoted context omitted.
Freedom of speech mean that these ideas can be challenged in the public sphere. Anything else is the department of arm chair theorist. Freedom ain't free. It calls for noble labour.
It calls for noble labour. I'm guessing, from your choice of words, that you've never tried to change public opinion in a forum like Reddit, Twitter, HN or 4chan?
By labour, I mean grab a pen and paper and devise a method to fix the problem. If it is broke devise a method to fix it.
Noble labour takes resolve.