Gregory's ServerI know this is about the spelling mistake, but there is a serious side.
True story: the US Congress passed a law for us to move to the metric system in 1977, giving businesses 25 years to comply.
As 1992 approached, business lobbied Congress to revoke it. They did so, stupidly.
So now you still have to have two sets of tools to work on cars, among other things.
@ShallowWater @drmaddkap Also, with US/imperial units you can't infer measures from each other, and thus have to remember them by rote & can't easily check if you remember correctly. May sound like no biggie - and obviously you can learn to work perfectly fine with it - but it does add friction to something that, to many people, is already difficult & unintuitive.