Some users have noticed settings that let Meta analyze and retain phone photos

Years ago, I installed the Facebook app on my phone. I immediately uninstalled it when I saw, horrified, that it had hoovered up all my photos and uploaded them to Facebook (there was no fine-grained storage permission at the time) "for my convenience". I never ran their app on my phone, again.

what if my library was trillions of photos of poop shaped like a face

I want that model...