[closeparen]

Middle American suburbanites don't choose to restrict the supply of walkable urban housing, urbanites do. Middle American suburbanites can at best switch places with some people living in walkable areas by outbidding them. It can't reduce the total number of car-dependent people - that's up to the planning commissions inside the cities.

[ocschwar]

Middle American suburbanites can go to their suburb's zoning board and get the codes changed to allow infill.

That's how it starts.