Whew glad to find others saying the same thing. Optimizing car usage in cities is just such a painful misallocation of research effort to read about.

Only saving grace is bike roundabouts really are nice. And if we had bike lines grade separated from pedestrians everywhere[1], it could be quite fast even to the point where roundabouts are necessary because the alternative of constantly burning energy on deceleration is so annoying.

[1]: A dangerous and macho-sounding idea I nonetheless will involuntary think about every red light.