That is the ONLY purpose of “free speech” - that governments and their institutions cannot prevent you from speaking freely.
And even there, some small exceptions should be carved out in terms of clearly unambiguous hate speech and bigotry. But with the Republican Party (in America, specifically) becoming Christofascist fundamentalists (Canada has the CPC and it’s openly racist little sibling, the PPC), good luck with blunting the hate speech and rampant bigotry that is the conservative platform’s bread-and-butter.