you could say this to anything, e.g. startups.
so what is here to learn?
Still better than not having any though?
Not until they start to fall apart and their owners demand that they are provided with same or better home.
This may be managed by building high rises, I wonder what happens when these start to fall apart.
Austria is a wealthy capitalist society with enough money to spare to dedicate some to things like housing people. It's a reasonably well-run country. My guess is if the homes have problems, they fix them.