Most excellent analysis. I'm afraid that we're preaching to the choir here, but it's still a blessing to have the situation rolled out in a clear, concise format.
I will however point out a mild (as I see it) inconsistency. You mention that the Austrian wave is already going down, but in the following UK graph we see that waves don't always behave as we'd like them to.
This is of course, putting aside the fact that it's highly suspicious what a covid case and/or death really is, like you said.
Just as anexample I found by randomly clicking countries: