I certainly do not think of it that way. I fully support:
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A site level customization to revert the behavior for site owners who prefer the old way, and @sam already built it.
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The idea that when a notification comes in the header should switch back to the global one, in a just-in-time manner.
That said I do feel quite strongly that the new default is a much better behavior for 95% of the audiences out there … and that’s the entire purpose of defaults.