I’m by no means an expert, but how is it the phone can still make emergency calls if it has zero contact with the network if it’s simless? Seems like a solution that isn’t actually one, especially if you consider stuff like IMIE numbers.
And I’m sure if I could be bothered to look into this solution I would be right.
Plus most tracking and privacy violations work just as well if not better via WiFi.
I tend to just share lists, and if they can’t be bothered to look the song up then their loss