No, the etiquette is an admission that there are legal threats being recorded in your home, that police have growing access.
Personal door-video camera installations in your home are reported to police and offered acces by installers and device companies.
One mother daughter was arrested after a home device recording, that police got from the device maker, idenified them and abortion talk.
If you get pregnant dont use any devices. Maybe you can turn off always on mics.