Because we are in the process of automating away all jobs except consumption this time around. In the past as those new "busywork" industries popped up, human

Because we are in the process of automating away all jobs except consumption this time around. In the past as those new "busywork" industries popped up, human workers filled the new roles. But now we're approaching the point where every new busywork job can be filled by machines, which are cheaper than employees. Health and food are actually a great example. We've already automated away most farm jobs (in the US at least) and a lot of the food production & prep jobs for junk food type things. And now we're starting to see in the healthcare space that software can reduce loads on doctors, for example ML-based interpretation of X-rays, automated patient record tracking, etc. Fitbit is the tip of iceberg for what's possible in at-home health monitoring based on software instead of humans. I would argue that while the sickness and health industries can grow indefinitely, the number of jobs in each cannot.