The regulations and requirements are much stricter in Europe, especially around warranty, repairs, and support. There's no wiggling out of that if you sell devices around here.

The headline would be more appropriate if it said "Oppo stops Sales under OnePlus brand"

For the past years OnePlus wasn't much more than a sub-brand for slightly redesigned Oppo devices anyway...

Americans get another message that's similar: https://www.oneplus.com/us/adjustment

OnePlus to NA: https://youtu.be/BwmuvqFzfLI?si=98Ae90_vzS-LFBmi&t=92