Another update, I'm being told that it shouldn't have taken as long as it did (both from the initial takedown, and then once it was brought more directly to their attention yesterday). I'm getting a good sense that
Keeping something as big as Amazon reasonably usable is hard. But they have a pretty significant focus on improving the user experience. The culture is also less problematic than Microsoft and they're much easier to connect with than Google (e.g.).
They have their flaws, but they often do an admirable job for such a large entity.
a) this isn't how it should work
b) this isn't how it normally works
c) they'll work to improve it
Hard to ask for too much more