Because of incentive alignment. They are the only ones incentivized not to do something stupid with their own resources.
of course people are also resources in this framework, and "something stupid" could be providing insurance/healthcare/pension etc - unless a tyrannical (/s) government forces them to do otherwise
How does Elon Musk fit into your framework?
of course people are also resources in this framework, and "something stupid" could be providing insurance/healthcare/pension etc - unless a tyrannical (/s) government forces them to do otherwise