Its such a bad argument in regards to free speech. The first amendment does not protect your rights on my property... Its directed at the government not private property owners.
This was one of many falsehoods I was taught in school about the Constitution and the history. I used to rant and complain about the Constitution but the truth is no one cares. They just want to win their arguments and get their way. Its good and fine to understand what the document says and how that applies, don't get me wrong. I'm all for it.
The people who really latch on to shutting people up do not care about the logically flaws in their arguments. They just want their way. I think conservatives are starting to get this and its one of many reasons why there is more conflict around political discourse today. Trump demonstrated another way to approach things and many have copied him. But if he had not come along, someone else would have done it. He wasn't the first and he won't be the last.
What always kills me about the left wanting to give the state more power is that they haven't won yet. Every time they think they might lose they try to freak us out about how dangerous it would be for the other guy to win. So we need to stop him. Yet every 4 years the position has more power. Libertarians get it but it seems they are the few that do.