The willful ignorance of the tech community is getting out of hand. This is the same thing as the "windows 10 is the last version of windows" discourse which stems from the absolutely abysmal state of tech journalism. You would think that by now that it would at least match financial journalism, but apparently we're fine settling for people who don't care about or understand what they are writing about.
This isn't an issue, the 10 years of support was promised for the hardware, not the software. They are fulfilling that promise by updating the devices to GooglebookOS.