Comment by nfriedly

> Though there are reports that refurbished devices from warranty claims for bootloader-unlockable devices may sometimes have a carrier restriction that Google's servers don't allow removing.

Yep, this happened with my Pixel 2: Bought it directly from google, the usb-c port stopped working after a while, so I sent it in for a repair. I cannot unlock the bootloader on the phone they sent me back, so it's basically just e-waste now.