"This project was born out of accidentally changing the area option to EU in the EZ-Adjust service menu on a US TV. The factorymanager binary enforces a region lock (geolock) that prevents reverting the area code — even through the same EZ-Adjust menu that was used to change it"

Sounds like service mode shenanigans. I'm curious though - does switching the TV to EU even do anything 'better' privacy-wise or anything, or do you just get trapped in that 'region' for services?