Aluminum, back when it was a novelty, used to be pricier than gold, people bought it as a status symbol.
Here's the thing: if you reduce the price of something, and demand is elastic, sales volume increases.
https://en.wikipedia.org/wiki/...
If the unit cost of an imaging procedure drops, it shifts the optimal resource allocation in healthcare. It becomes more sensible and economical to order radiology than before. Even if volume doubles while AI reduces human involvement by 30%, that's still a net increase in demand for radiologists.
Consider also that more people likely work in today's energy sector—oil extraction, nuclear plant operations—than ever chopped wood for a living in the middle ages. Energy output is vastly higher, efficiency gains are even greater, and total employment is somewhat higher too.