New to Reddit are you? Hundreds of sub forums with posters saying all things unkind, unpleasant things. Some forums are rightly banned, Reddit used to hold out on banning even the most obnoxious ones.
Limiting free speech is a new phenomena, self censor from Fox news, or Breitbart or any right leaning journalist. Try to de-platform right wingers on Twitter or de-monetize them. Bring in Antifa to stage riots if a right wing speaker turns up to a university. Lol, I remember when Trump was holding rallies and Antifa types would turn up and start violence, of course in the warped mindset of the MSM Antifa turning up to Trump rallies and causing violence was Trumps fault.