[omegaworks]

>San Francisco just built a short subway to Chinatown. Not quite clear why.

Largely to set the stage for service to the Richmond.

>It's mostly a retirement village.

A testament to the resilience of the community in the face of an ongoing housing supply shortage. There is no doubt immense pressure from our typical economic processes to displace retirees from the place that they've lived their entire lives. You'd rather see old folks trapped in car-dependent suburbia, eventually unable to drive themselves to their basic needs?