Your URL cites two studies, one was in the US, which states:

> I combine the address histories with a simulation model to estimate that building 100 new market-rate units leads 45-70 and 17-39 people to move out of below-median and bottom-quintile income tracts

The people represented in your vague "liberal policymakers" are almost universally in support of "market-rate units," contrary to your claims. Did you read any of the articles or studies you linked to?

The Trump Administration suspended part of a 2016 rule designed to reduce segregation and expand opportunity for low-income families with Housing Choice Vouchers. Is he a "liberal policymaker" as well?