This seems so much like high school economics 101, yes more supply drives prices down. The chronic undersupply of housing of all kinds is the fundamental reason for high rents.
We did not get to this scenario overnight; it took years of policy decisions at multiple levels of governments to get here. At this point we will not get out of this for years to come.
To many people, new home construction is synonymous with gentrification. But a new analysis reinforces how more supply drives down housing costs.