This is, as with every time you've posted it, a complete fiction. Android doesn't become "not Google's OS" because of the shoddy distribution method in use, and Google still does dictate to OEMs what does and doesn't qualify for release, as Google still has effectively complete control of the ecosystem via the MADA/Play Store license.
Your reply doesn't make sense and you have not answered how it's technically possible for Google to update an OS created by another OEM. Google does not have the source code for the OEM's changes so to expect Google to update their OS would be impossible. It's like asking Debian to update Ubuntu.
