Physical action is inevitable if the speech isn't listened to.
see also: "The Four boxes of liberty"
What about if the speech is censored, shadow-banned, limited etc in some other ways? Where the governed does not know their speech was limited in reach, censored etc? (which btw is a real approach social media companies are taking today).
There are tons of time-and-place limitations that make perfect sense. I can’t interrupt a city council meeting to give a speech about, well, anything not on the agenda.
And of course social media companies have no legal obligation to allow free speech at all, which is their own right to speech.
Core freedom of speech means the government cannot arrest you for what you say. Going beyond that to private companies being obligated to ensure your reach can be a moral argument but not a legal one.
We can't relegate (unwillingly even) every bit of our lives to the private sector and suddenly say rights shouldn't exist.