I think this is all that needs to be said on these articles.
(There's a lot more that _could_ be said, such as how few actual birthing HN readers there are, but I think the economics is really simple at the root of it.)
Besides, even the countries with really the worst outlook and conditions aren't falling all that fast. Russia since the high point of the 1990s: https://www.worldometers.info/world-population/russia-popula...
I'm very much a believer that housing costs are at the root of a whole lot of what's wrong with... everything.
It's long past debate and long past time for neighborhoods to come up with a "vision." We need state and national level mandates for zoning reform and density increase, and if you're against it too bad. NIMBYs had 50 years to come up with something other than obstructionism.