stuck in bootloader after uninstalling google photos app

[Fireeyeeian]

My device is a oneplus 6t (oos 10.3.5) and I was unable to uninstall google photos app with my usual app remover and tried this one. sadly after selecting just the google photos app to be removed it asked to reboot so I did and boom stuck in the fast boot mode after hanging on the unlocked bootloader screen a bit longer than usual

I currently have twrp recovery so I just reflashed the ota and I am currently back up and running but for future reference what could have caused this and how exactly does the app work/ what does it remove/ how does it work?

titanium backup said it was unable to locate the apk when I tried uninstalling it through it so maybe it has something to do with how the app was installed on the system.