Earlier quoted context omitted.
How does a UBI prevent this? The people described in the article don't seem to want more money. They want to play video games. Giving them enough money to live off of would allow them to do exactly that while producing nothing of benefit to society. Right now, at least, some of them seem marginally productive (contractors, the cashier, etc). Utility, as a function of money, generally has a negative second derivative…
What happens when technology progresses to the point where they can't be productive at all? Where it simply costs money to give them a job. Are you okay with paying people to dig holes and fill them back up again?
https://www.chrisstucchio.com/blog/2016/robots_didnt_take_ou...
Similarly, the average American fat person shouldn't eat 6 cheeseburgers on the theory that starvation is coming.