I'm talking about culture, not law. The US and the west in general has always had a strong free speech culture.
It'd be ridiculous to only rely on a law limiting government as the thing that defines what is and is not okay.
There's a reason this is being called our generation's 'culture wars'.
Would you say a music venue is harming speech by refusing to host a racist metal band?
And what is your proposal to fix this? That we extend the First Amendment to include private organizations, which essentially trampels their right to speech?
If you think we should break up monopolistic publishers, like Facebook, then fine. But that's not going to make extremists good for business. No one wants to swim in a pool people are peeing in.
You've rightly identified a culture war, but you haven't provided a good reason that the status quo in the US should change.
Also, re: the history of free speech: there were morality laws as recently as the 90s in the US that made it illegal to say certain things in public. You couldn't burn a flag for a significant part of US history. As far as the government is concerned, speech has never been freer here.
The thing most of you seem to object to is that the invisible hand doesn't like certain ideologies.
https://mobile.twitter.com/ithayla/status/118233018734349107...
You're likely thinking of the debate over reddit, YouTube, and Twitter policy changes, where the people banned were largely white supremacists.
Of course in those specific debates, "free speech" was being conflated with "the right to say racist stuff on private companies' networks".