Better/more automation also means decreased costs for basic living necessities, which means that one will not need to work as much in order to feed oneself and one's family. It also means that welfare sufficient for necessities will be less expensive. It also means that those with high-paying jobs will have less expenses and a larger percentage of their income can be collected as taxes without seriously disturbing them, increasing the amount of tax revenue available for transfer payments.
One can imagine a future in which all necessities, entertainment, luxuries, etc., can be/are provided/created/transported via automated systems. There might not be any jobs, but there also might not be a need for any jobs.