While I am frustrated by freedom units sometimes, the truth is that the US simply started too late and the transition costs are too high.
It is a different story to change measuring units in a still-mostly-rural society with relatively few engineers and engineering projects - which describes Europe in the late 19th century.
It is a different story to change measuring units in a still-mostly-rural society with relatively few engineers and engineering projects - which describes Europe in the late 19th century.