A side benefit, also pointed out by some one above, “they get free money, they won’t take my shit paying zero hours contract job”
That’s right, they won’t. Meaning an end to wage stagnation, that shit job will have to offer attractive remuneration, less profit for the shareholders, granted, but more in the pocket of those with the highest propensity to consume.
The only fly in the ointment is the buy to let Rentier classes seeing this free money as an excuse to raise rents to the maximum figure, just like they do now with LHA, and housing benefit, but this could be easily counteracted with rent caps and tougher landlord controls