Why would you say that anyone else should decide what's true on his platform? Twitter isn't even so popular that you can say it has a monopoly of any sort. Ther

Why would you say that anyone else should decide what's true on his platform? Twitter isn't even so popular that you can say it has a monopoly of any sort. There are plenty of alternative services, and no significant barriers to starting a new one. I guarantee that if the president of the United States was to say "From now on I'm only posting on my blog" then that blog would become very popular.