Lastly: for anyone thinking what can happen if I hit my head off the pavement either from the back or front of the skull without a helmet (with MIPS are supposedly the safest),
https://en.wikipedia.org/wiki/Coup_and_contrecoup_injury
That's an example of what could happen. Lessening the impact to have it so that your skull isn't bouncing off the ground, can reduce the possibilities of this happening.
The fuck? Why wouldn't the US want the actual sizes. Wouldn't having geographically correct maps help the planet and the people, oh wait.... The US government hates that kind of shit