> It could take a couple of decades to really feel the heat from it, but could lead to massive collapse
When you consider how this interacts with the population collapse (which is inevitable now everywhere outside of some African countries) this seems even worse. In 20 years, we will have far fewer people under age 60 than we have now, and among that smaller cohort, the percentage of people at any given age who have useful levels of experience will be less because they may not be able to even begin meaningful careers.
Best case scenario, people who have gotten 5 or more years of experience by now (college grads of 2020) may scrape by indefinitely. They'll be about 47 then and have no one to hire that's more qualified than AI. Not necessarily because AI is so great; rather, how will there be someone with 20 years of experience when we simply don't hire any junior people this year?
Worst case, AI overtakes the Class of 2020 and moves up the experience-equivalence ladder faster than 1 year per year, so it starts taking out the classes of 2015, 2010, etc.