They may have to. If there is no money to buy these things, then they'll be back living at home, too.

Don't be naive. Governments and corporations will just devise laws that you HAVE TO buy these goods. How do you muster the money is, and always will be, your problem.

They'll find a way to make money, don't you worry about that at all. They'll sooner make you owe money by the mere fact you're born than to give up.

through legislation, i.e. the recent push toward universal basic income.

personally i think in today's world in which 0.1% owns pretty much everything or at least controls ownership of everything, it's an unavoidable eventuality, but it's not going to be an easy process of getting there.