I totally agree with you and I’ve been doing it for years! Unfortunately, in my experience, 9 out of 10 people do not care and are not interested in this stuff…
Moreover, if they force the control at the operating system level, you can use whatever encrypted chat you want but they will control your messages before they are encrypted by the app… this is why I wrote that probably the only solution is GrapheneOS and SimpleX Chat… Apple and Google will comply for sure… they do not want to lose the European market!