Below is some helpful information: Privacy is a fundamental human right and at the core of everything we do.
And what is the function of red dot? I know it looks red, but compare it to the red hang up button.
You can find more information on the new functionality released under privacy at the below link: In addition to your secondary question, please find below a link to the Find My - Offical Support page that talks about finding devices and sharing locations with friends and family.