A group of researchers has uncovered a system that Instagram and Facebook have been using since September 2024 to collect users’ web browsing history on Android devices
How meta bypasses your phone's browser security to track you.
So this just sent me on a learning trip to see if there's a way to sandbox apps. Turns out there's an easy app on the play store called 'Island' which, on most devices, lets you install apps as a second 'sandboxed' user.
After a few minutes of playing, it seems to work well.