Of course not everyone needs a house. The point is at least it used to be an option for a lot more people. We're talking about the change in affordability here,

Of course not everyone needs a house. The point is at least it used to be an option for a lot more people. We're talking about the change in affordability here, not asking if a house makes sense to buy or not. Just because you don't want a house or it doesn't make sense for you doesn't mean thats the case for everyone.