Because they’re one of the very few (And if you’re in the US, the only) phones with decent specs that allows you to unlock the BL
If you’re in the US and want a privacy OS > Pixel
If you’re outside the US and want a privacy OS but don’t want the crap tier specs that have been offered thus far by the specialty phones > Pixel or maybe a Chinese brand phone
If you’re in or outside the US, want a privacy OS and want or need to finance the phone through your carrier so you don’t have to spend $6-800+ out of pocket > Pixel
Because they’re one of the very few (And if you’re in the US, the only) phones with decent specs that allows you to unlock the BL
If you’re in the US and want a privacy OS > Pixel
If you’re outside the US and want a privacy OS but don’t want the crap tier specs that have been offered thus far by the specialty phones > Pixel or maybe a Chinese brand phone
If you’re in or outside the US, want a privacy OS and want or need to finance the phone through your carrier so you don’t have to spend $6-800+ out of pocket > Pixel