Amazon's attitude towards its Kindle device customers is one of lofty disregard. Every time they announce new Kindle products, half of the comments are like "I hope they have buttons," "I hope they bring back the Oasis," etc. But they appear to exult in dashing the hopes of their customers, or at the very least they don't care about them at all. They've doubled down on no-key devices with stupid pens, pointless and p…
14 years of support for a device is pretty incredible.
These Kindles were not getting firmware updates (outside of maybe security certificates), they weren't getting new features or patches. You could just get new content.