>I don't think just building more housing is sufficient. That might decrease the cost of living somewhat, but probably not enough to remove the need for a second income.
While shadowy special interest groups and large corporations are able to write text directly into the laws of anglophone countries, The People can't even talk about one instance without fragmenting into a trillion pieces covering topics such as the affordability of housing.
I don't disagree with you about affordability of housing. I just don't think that that by itself is sufficient to solve the problem of households needing two incomes.