false. people are not helpless and jobs are not fixed in number nor social welfare gifts. Human creativity and industriousness can be put to task to produce things that other people want. In an absurd example, you could live next door to a new efficient sweater mill, and you could still knit handmade sweaters, customized with people's initials, etc., and their sale would measure the value of your output in. dollars. People don't do this very often because such an economy produces more lucrative jobs than that.
doomers have foreseen the end of the world in every generation going back. The bad speculations have never come true, but there have been some very negative outcomes of fearful people believing the doom and gloom, look no further than the seeds of Marxist revolutions, Fascism, and Naziism, they all start with people feeling economic uncertainty.