Forgettable in the same way that The Wizard of Oz or Citizen Kane is forgettable. That's to say: only to the extent that you don't even understand how it shape

Forgettable in the same way that The Wizard of Oz or Citizen Kane is forgettable. That's to say: only to the extent that you don't even understand how it shaped so much else. People today don't even know when they're using expressions from these (we're not in Kansas anymore, not that there's anything wrong with that), when they've not even seen the original material. tl;dr: to a fish, water is forgettable.