The simple conclusion is that unless you have something to provide in exchange, no one will give you anything in return.
>He (Amartya Sen) presents data that there was an adequate food supply in Bengal at the time, but particular groups of people including rural landless labourers and urban service providers like haircutters did not have the means to buy food as its price rose rapidly due to factors
As long as someone owns the factory or the company, they expect to be paid. Thats not going to go away overnight.
And since robots are not going to be perfect, there will always be jobs that human beings will be employed to do. The employers will in turn expect to get their money's worth for those jobs.
Instead of jobs going away, theres going to be a concentration of wealth in the hands of a few.
Walking a dog - ain't going to be automated any time soon. Filling shelves in a supermarket - I am not aware of any automation on the way for this, though it may be. Whitewater rafting guide - no chance that is getting automated.
Both of those numbers are already creeping up, economically coerced crap jobs aside.
I believe we're already seeing that, with the job markets losing professional jobs but gaining service industry jobs.
I think it's a distraction to talk about employment numbers without talking about the quality of the jobs in question -- sharecroppers and CEOs both have a job, but their lives are radically different.
Not just elevator operators and dirigible pilots. A massive chunk of economic activity is going to look silly in a decade. Pretty much everything regarded as a summer job for high school teenagers is game, and that leaves a considerable number of normal, employable adults out in the cold too.
Magazines are pretty much already dead, and everything that went with them shrank. Music and movies have imploded hard enough to show signs of serious stress. Shops, department stores and big box retail are off balance, and will fall over before 2030.
It's going to be pretty rough. Think about your first job, and the summer jobs your high school classmates had. Will your kids hold the same jobs? I doubt it.