Mooney boy, you just stick to your own area of expertise; show me one country in the world that has what we have right now...
Show me one country that uses IFR pick-up or VFR on Top like we have proposed (are using) here.
International harminisation; what a joke.
You and many like you are swallowing the line the US system; where in the US is it like this? Stepping stone; no it's not; will the end state have E above FL180, yes, does the US, NO.
Similar but not the same; as similar as their road system; it has cars, trucks and buses, stop signs, give way signs and even traffic lights, but is it the same?
Bottle of Rum