On newer versions of iOS apps have to ask for permission to access your device's advertising ID; Facebook was very unhappy about that. Turning off Settings -> Privacy & Security -> Tracking -> Allow Apps to Request to Track will (should?) keep apps from getting your advertising ID. I'm not sure if Android has anything like that, but Google is an advertising company so my guess is No.
When the investigator said they were thinking about getting into government work, the salesperson said “that’s good enough” and “they don’t actually check,” as reported by 404 Media.
I trust rent seekers to follow the laws and corpo policy