this is nonsense, especially 2. Job market does not work that way. If everyone is a data scientist, there are only 10 data scientist jobs, only 10 will be data scientists and the rest will work on other sectors.
Most people in the west who get a degree as a lawyer don’t go work at McDonald’s for the next 40 years, despite the fact we have too many lawyers. They choose to not work at all until they can find a job with their degree.