Map projections are part of the technological infrastructure of the world. Most people shouldn't have to worry, but someone needs to. What about calculating m

Map projections are part of the technological infrastructure of the world. Most people shouldn't have to worry, but someone needs to. What about calculating missile range? Or designing a tunnel that needs to be accurate to 1cm. Are your GPS surveys out by 30cm because you used a system that ignores continental drift. Or placing an oil rig in the wrong place in the sea due to a poor projection choice.