Earlier quoted context omitted.
It's not limiting free speech unless the government is asking for or compelling it. https://xkcd.com/1357/
The freedom of speech applies when other people than the government are calling for it to be stopped. The Universal Declaration of Human Rights for example does not say "it only applies to when a government are restricting those rights". Article 19 1. Everyone shall have the right to hold opinions without interference. 2. Everyone shall have the right to freedom of expression; this right shall include freedom to seek…
Regardless, the real point is that property rights trump free speech rights. You can't come over to my house and say whatever you want, because it's private. And I'm pretty sure the UN DoHR says the same thing.
And further, given the leftist thing that it is, I'd bet dollars to donuts that the UN DoHR also says people have the right not to be on the receiving end of speech that incites violence towards them, a.k.a. hate speech. So... property rights > hate speech rights > free speech rights.