@ The_Don - I see, thanks for the information. Didn't know they had been available (from the sound of the OP it was something new).
That braking surface is not machined. You can still stop on it, although it will not be as quick as a machined rim. Also, after much use the paint / anodizing can come off and reveal the rim surface.
I understand what you're saying about the Tokyo Langster, it makes sense. I think it attracts people from other parts of the country / world / other cultures. I'm originally from NY and I don't like the NY Langster at all, strictly cosmetically though. But as you say, to each their own