Anyway, the sketchy part of this is that it's referring to time of (initial) release, not time of purchase. These things continue to be sold well after initial release. When that was is also not something most users are aware of or care about. Arbitrarily losing a few years of support because you unknowingly picked the wrong model stinks.
That is exactly the situation that we are in. Like your Chromebook, this one is still perfect for its purpose and would have continued to be for years if not for this crap.