I personally agree in the sense that we barely learn from it. The history of World War 2 for instance should have taught us that the use of mass destruction weapons is not wise, but evidently we still have and use them. Overall though, I think it'd be a bad idea to banish history altogether.
I could use one of those for hailing a cab! XD
On topic: On thinking of the most useless thing on this earth, I'd almost settled at the appendix...
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