The disadvantage is higher weight for the same structural strength because the lower and upper tube are closer together (or combined into one tube) so the leverage is much less.
I dont mind the "mens" frame, but if other people want to use a low step frame I am not going to call them sissies or something stupid like that.
You are comparing apples to oranges, Germany also has times where we use 100% renewables.
You cant just compare momentary data to averages