Who's to say whose system is better? Maybe the rest of the world is out of touch? Some businesses use them (auto repairers, etc.) in the U.S.
It gives a "bad image to Americans around the world?" Maybe you'd like to restate this? Frankly, I really doubt that this matters a whit to anyone else in the world. Have you seen any protests with people carrying signs saying, "Down with the U.S.A. They aren't on the metric system!"
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