This collection has been in place since before World War II. As soon as the freezers are unplugged, there is no going back.
However popular that aphorism is, it isn't actually the definition of insanity.
The former might be a form of the latter, but you can certainly be insane in other ways.
> Insanity is the wrong term, because it would imply repeating something that has already failed.
ie suggesting the opposite of your point; that the term "insanity" is more narrowly defined rather than broadly defined.
No it doesn't. You might be thinking of that meme often miss-attributing that alternative definition as an Einstein wisdom; but that quote is about as accurate as the claim of who said it.