This. Demanding new developments all be affordable housing is a strategy NIMBYs use to prevent new construction, since most builders will just go elsewhere. If

This. Demanding new developments all be affordable housing is a strategy NIMBYs use to prevent new construction, since most builders will just go elsewhere. If a builder does try to comply with the demand, they come up with other reasons to block construction (doesn't match neighborhood's character, not enough parking, demand yet another environmental review, etc.)