Oh fair enough, not really arguing that point. But there is a major trade-off and the article does not even mentions it. It is perfectly fine to consider the G

Oh fair enough, not really arguing that point. But there is a major trade-off and the article does not even mentions it. It is perfectly fine to consider the GPS coordinate system and basic geometries are good enough for short distance. As long as you're aware that GPS coordinate are actually set in a precise projection system and that you are making a informed decision.