Wealthy towns evade housing mandates

State rules that require minimal multifamily zoning (here, Massachusetts’ MBTA Communities Act) can be thwarted in practice because affluent, highly educated, and racially homogeneous suburbs have both the political will and the fiscal cushion to resist—treating local democracy as a shield against new residents. The result is de facto exclusion: state penalties or funding threats often aren’t strong enough to overcome local status and NIMBY interests. — This frames why many state housing laws fail: it shifts the debate from technical zoning fixes to political incentives, enforcement design, and the role of local status signaling in preserving segregation and scarcity.