Asking the manufacturers to not pull dirty tricks with the bootloader (AKA Tivoization) does not sound to me like asking much of them and could cut quite a bit

Asking the manufacturers to not pull dirty tricks with the bootloader (AKA Tivoization) does not sound to me like asking much of them and could cut quite a bit of ewaste as old devices are reused with new software. Of course many would try to block that as it cuts into their planned obsolescence roadmaps...