We have differing opinions on so much! Fair enough. We simply disagree.
I don't think that the spiraling housing costs across the country can be attributed to local environmental laws.
I don't think that the decreased birth rate can be largely attributed to the housing issue.
I don't think that the decreased birth rate is anything like an existential crisis for the US.
I think that when it comes to laws that address harms your neighbors might inflict on you, the more local those laws are decided, the better (generally speaking).