There is no point made here that robots won't take over the world, he just belabors the point that it is hard to make robots replicate exactly what humans do. Automation will eat everything, it's just a matter of time. Even his problem of 'visually identifying weeds and uprooting them' does not come across as a massive problem, but one that can probably be solved with enough time and demand. Platitudes like these giv…
Billions of dollars are invested annually in technologies with marginal productivity improvements, and it looks like there are more and more diminishing returns.
If there was any indication that automation would 'eat everything', unemployment would be high (corona-pandemic aside), and labour productivity would be growing fast, none of which is happening.
Robert Gordon gives an expansive, evidence-based account of the development of American economic development in The Rise and Fall of American Growth: The U.S. Standard of Living Since the Civil War, and there's virtually no evidence for the grandiose claims made by the tech industry that we're living in some sort of era of rapid change. That for the most part ended in the late 70s.