Yes, it’s annoying. But technology moves on. Apple should have kept the service going at least till iOS 9. But lots of things break when OSes get an upgrade.
Maybe the issue is that they could have kept it going a while longer. At the end of the day it benefits nobody but the lawyers. It certainly doesn’t benefit the end users. We are learning more and more that not everything works if it’s profit driven.
Apple could keep old things working, but it would be at the expense of innovation. Apple could innovate constantly and that would be at the expense of fairly recent devices reaching their end of life too quickly. It’s got to be a balance.
I bought the original iPad not long after it came out. 18 months later it was unable to run some of my apps because they needed the latest OS and the latest OS wasn’t available for the iPad 1. I sold it, and didn’t buy another iPad.