You can do so with Tasker and the SecureTask plugin.

Write global audio_safe_ volume_state value 2

I let it run after a system reboot and daily at 6 am, never seen this pop-up in years

That’s not true though. Sex is defined by the chromosomes, not the organs and they don’t suddenly change after 6 weeks. This definition however leaves intersexual people out, but that’s certainly intentional