Bill Ackman, the hedge-fund manager, criticizes Zohran Mamdani’s housing policies, arguing they worsen affordability in New York. In comments reported by Fortune, Ackman says “left-wing mayors” make it difficult for developers to build, which he portrays as contributing to housing shortages and higher costs. Ackman points to the role of political and regulatory choices in shaping the development environment, saying that restrictions on development can limit the supply of housing.

The Yahoo News listing for the story centers on the same criticism from Ackman and presents it as a broad argument that New York’s housing affordability problem is intensified by left-leaning policy approaches. While the articles focus on Ackman’s viewpoint, they do not provide detailed policy mechanics or competing assessments within the provided text.

Overall, both sources attribute the central claim to Ackman: that housing policy decisions associated with progressive leadership make construction harder and therefore contribute to New York’s affordability crisis.