Google killing their domains service was the last straw for me. I started moving all of my stuff off of Google since then.
My guess is it just keeps chugging along with little maintenance needed by Google itself. The UI hasn’t changed in a while from what I’ve seen.
I have a tiny service built on top of Google App Engine that (only) I use personally. I made it 15+ years ago, and the last time I deployed changes was 10+ years ago.
It's still running. I have no idea why.