Earlier quoted context omitted.
Density increase isn’t the only angle. That’s why I also listed telework, transportation, etc. We need a multi pronged approach. Basically any policy that improves housing affordability without too much negative or perverse incentive elsewhere should be favored.
Density also comes with it's own problems - crime, pollution, disease, and a loss in personal freedom necessary to keep those other problems at bay. None of that is ideal for family formation. And increasing density only works up to a point. Once you can no longer increase density, the prices start climbing back up. I think rezoning for more mixed use neighborhoods is a good idea, and some high-density living is good…
searching for an answer i found this:
https://nycdatascience.com/blog/student-works/data-study-on-...
which observes that crime increases up to a density of 500 people per square mile, but then decreases as the population density increases further.