I disagree with this statement. The most common argument I see is that it's prohibitively expensive (e.g. we would have to triple our GDP while simultaneously dealing with the fact that we would lose a significant chunk of the labor force).
> endless invention of utterly nonsense jobs (dig a hole, fill it up, dig a hole, fill it up...)
You are going to need a citation for this being the obvious outcome. Every advancement that has wiped out massive amounts of industries has just resulted in an increase in expectations for quality of life for members of society and subsequently demand for new things creating more jobs.
Heavy machinery wiped out a massive chunk of the labor force a long time ago, yet they moved onto to other jobs providing products/services built on top of the new wealth created by the machinery.
If everyone took your view of replacement jobs being pointless, we would have never advanced once we reached the point of having the technology required to feed people consistently.