10s of Millions of people in the united states live in multifamily housing. You’re responding to concepts like multifamily housing and public transit as if these are abstracts that huge numbers of americans rely on. There are plenty of areas with bad infrastructure today for this, but thats all the more reason to improve. More missing middle density housing is important to make housing more affordable and improve density and supply.
We can certainly use better and actual proper public housing options like in places like the netherlands, and better renter protections to keep a landlord from upping your rent too much, but thats all the more reason to push forwards.