Google violates Android user's rights with Third-party device makers by not allowing users to install custom versions of Android on their phone. Link: https://archive.vn/QCvEc
This is really sad, it's already tricky as it is to install custom ROM's on most devices.
That sucks, Android devices without custom rom is pretty useless from a privacy perspective. Too much preinstalled bloatware you can't uninstall. And iOS is even worse.