DeletedUser495 if you want to play, get a toy, they are generally safer to use.
A EOL pixel is a fine dev toy if you need something for Android, assuming you use it as such
But yeah, I'd recommend only using the device for dev related functions. If you like tinkering and hacking nothing wrong with using old hardware for that, including rooting, just don't use it as an actual device.
Aka, fuck around, that's fun. That's why I have a flipper on my desk, just don't store sensitive information, if connect to the Internet at all.