As far as I know, bootloader locks are done by the manufaturer not by the provider.

Verizon requires the phones they sell to NOT have the ability to unlock the bootloader. That’s why there are separate factory images for Verizon Pixels.

The package name is visible in App info, no need to install anything - just long press the app icon, pick App info and scroll down to version

Google Drive app -> New (in the bottom right corner) -> Scan. It’s not supposed to be a part of the camera app, that’s just a useful shortcut.

Don’t be ridiculous - this is a lab environment, they can faithfully recreate the suffering as long as the ethics committee doesn’t get notified.

That sounds like Xiaomi. The best price to performance ratio of any OEM, but at the cost of terrible software and this… experience… when you want to get rid of it.

Worth noting that not all OEMs are like this.