I'm sure thety do, but when doing something like removing an instance from an Instance Group you can never be 100% certain that it actually was removed without

I'm sure thety do, but when doing something like removing an instance from an Instance Group you can never be 100% certain that it actually was removed without several refreshes. Switching to a different project can give you, for example, a list on instances belonging to the previous project. It's just not what I'd expect from Google considering what they pay engineers.