Bootloader unlock and network unlock are two different things. Temporary unlock likely just network unlocks the device so you can use a foreign SIM when traveling. You can try the temporary unlock, but I wouldn't expect it to work to install GOS
If I had a nickel every time Soulja Boy ripped off & started selling game consoles, I'd have TWO nickels. Which isn't a lot but it's weird that it happened twice
There used to be Amazon versions of phones doing this like 10 years ago. They were a like 10-20% cheaper and with a lil Android knowledge you could permanently disable them over ADB and have a cheap usable phone
They are almost exclusively used predatorially to trick people into allowing them & serving them ads. Cookie banners have made clicking "okay" a reflex when visiting a site, and will get a lot of people if they can get the allow notifications pop-up first