What isn't? Every single stepping stone on that path uses someone else's infrastructure, who are able and willing to shut you down for any or no reason.

To activate your free speech rights, first buy a computer and build your own datacenter. Next, start your own ISP. Finally, tell others about your site, without piggybacking on any existing sites. In this way, all citizens can express their views without fear of censorship… and without fear of anyone ever noticing. https://sealedabstract.com/rants/re-xkcd-1357-free-speech/in...

It doesn't even stop at the ISP, unless you intend to span the globe with your own cables. Otherwise you're buying transit from private corporations and subject to their whims. It's pretty much build your own internet if you want true freedom of speech on the internet.