I'm a person who doesn't like private ownership of housing much, and personally wants to see co-ops as the predominant form of housing... But: Fuck these think tanks like IRIS, adding net new housing units helps as studied by actual academics in published in academic journals
Social housing is great, private housing, co-ops housing, housing is great. Choose your preferred one and then support making it easier to build more. Attacking the other types? You're drinking economic ivermectin if you think housing supply doesn't help reduce the overall price of housing.
We're way too deep into a housing crisis, short literally millions of units, and instead of pushing for (say) automated upzoning on sites with non-market units to increase supply these guys are firing off blog posts which will be used by NIMBYS to undermine housing developments across the city.