Productivity is what got us out of poverty of the pre-industrial-revolution era. And productivity is still key in the long run.

But they already have jobs. Working in the restaurant or catering or hospitality or whatever industry is a job, and one it's possible (or it was) to earn a reasonable living in without a slew of academic qualifications.

Then one day, billionaires who can't think of anything better to do show up and say, we're going to insert ourselves into the relationships you had with your customers and your profits are now our profits and you can survive a little while longer by working harder for less, but you will go under eventually and everything you had will be ours. Because what we had was not enough, we need to have it all.