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[–]magnora7 4 insightful - 1 fun4 insightful - 0 fun5 insightful - 1 fun -  (1 child)

This also works with silver, which is why silverware was originally made of silver. https://en.wikipedia.org/wiki/Oligodynamic_effect

I think it's just cost. You can't have every doorknob being $100, and like mnemonic pointed out they would oxidize over time and have to be cleaned constantly to remove rust.

[–]Mnemonic 1 insightful - 2 fun1 insightful - 1 fun2 insightful - 2 fun -  (0 children)

A: Let's rob a bank!

B: Nah man, just stick your knife in my leg and give me a screwdriver