You think people are just going to accept starvation? Shit will get real, real fast.
And most people aren't as articulate or reasonable as the people on this site.
There will be massive violence.
A better way to look at UBI is that it's not about giving poor people money. Its about keeping the fabric of society together and preventing revolutions once automation hits fully.
With 100% robot labor, utilization of a resource is purely a political decision. The idea that we should give outsize rewards to historical incumbents for their historical incumbency becomes sort of silly.
There is a cycle and how quickly it cycles will be determined by how quick the various parts move. Not all robot owners will increase their prices just as fast and people will not buy from the overtly expensive sellers. Similar to the economic cycle we already have.
I certainly don't have an economics degree though.
A few solutions: 1)Have the government set prices for basic necessities. 2)The government owns companies that produce basic necessities. 3)Replace capitalism.
All the solutions above have its drawbacks.