Simple, you can choose to only use platforms that use the most stringent scanning technologies for you and your family.
You give the UK government (or the equivalent that applies to you) the right to continuously scan everything from pictures to emails to messages and then obviously you give them the right to prosecute you and come after you when one of their AI algorithms mistakenly detects child porn on your device or in your messages just like this guy: https://www.theguardian.com/technology/2022/aug/22/google-cs...
For the rest of us, we should be free to opt out from being surveilled by machines 24/7.
Then everyone is happy.
Edited: typos