How crucial is it to move these rocks? What’s the deadline? How many rocks need to be moved? Are there safety procedures in check, and will safety equipment be provided?

Yes. Let's introduce OSHA standards into a theoretical example where moving rocks feeds people.

All the while spinning a billion bullshit nonsense side points.

Labor has a supply.

Labor has a demand.

To dismiss that is to dismiss reality. Yes. The nature of labor can change and some sorts of work can be abandoned when there is a shortage. No. That doesn't invalidate scarcity and your "degrowth is good and okay" seems tor to just be a hilarious and twisted rationalization of how when your ideals cause the economy (and more importantly the general will being of people in the nation) to collapse that it's actually a good thing.