Encryption is not the only privacy assurance that exists in democracies. For example, the government is (or at least was[1]) not allowed to open your mail. You could send CSAM Polaroids back and forth and nothing would happen.

Chat Control amounts to routine, warrantless interception of private communication. Something you see in states like the USSR.

[1] https://www.westernstandard.news/news/liberals-push-bill-to-...