I was about to make an argument that "there's no DRM" because it's a simple flash memory chip used to keep track of how much detergent is left, and it's totally

I was about to make an argument that "there's no DRM" because it's a simple flash memory chip used to keep track of how much detergent is left, and it's totally unencrypted... But wait, could it be that the reason for the bizarre "xor 0x50" is so that they have a "technological protection measure" in place to trigger anti-circumvention rules? (https://en.wikipedia.org/wiki/Copyright_and_Information_Society_Directive_2001#Technological_protection_measures https://en.wikipedia.org/wiki/Copyright_and_Information_Soci...)