My answer would be: yes, with qualifications.
I’ve been running internet chat rooms since 1998, at http://www.tigertom.com/chat_rooms.htm. Nothing fancy. The software was freely available. I just had to make some important modifications: adding bad word filters and automated ‘kicking’ (ejection from the rooms).
You think free speech is a good thing, until you read what anonymous, malevolent young men say to fifteen-year-old girls. It isn’t Shakespeare, let me tell you…