[beej71]

> If a future government sold all their land to private interests who have opinions about what can and cannot be said, then undesirable people have nowhere to stand while doing the speaking, and those private entities can punish those they don’t like thanks to trespass laws.

The flipside would be people having the right to protest on your private property whenever they felt like it.

Or, back in techland, the right to say whatever they wanted on your blog's comment section.

I hear ya, but it's going to be a massive challenge to come up with a cure that's A) Constitutional and B) not worse than the disease.