[hueving]

Your definition of 'actually useful' is going to be different than everyone else's. Economic value is the only objective value we have.

[exo762]

Assuming that humans make rational economic decisions. Which is false.

[hueving]

The only way to define an economic decision as rational is if it optimizes for the market value. The rational thing to do in the bulb mania was to produce tulip bulbs.