It is a sticky wicket, no doubt.   We all have the choice concerning whether we listen or not.  

But it appears that you may prefer censorship.  

The issue is - do we have the right to voice opinions that may not be accepted by everyone?  The Supreme Court says "yes."  Remember Schenck v US - the old shouting-fire-in-a-crowded-theater case?  The Court upheld that freedom of expression is an inviolable right - but dangerous speech is not.  The concept revolves around what constitutes a "clear and present danger" - 

Two interesting articles for you....
http://www.firstamendmentcenter.org/not-many-exceptions-to-free-speech-guarantee/

https://www.washingtonpost.com/news/volokh-conspiracy/wp/2015/05/07/no-theres-no-hate-speech-exception-to-the-first-amendment/?utm_term=.3e2c12b27560