Efficiency is good. Maximizing for efficiency is not. It leads to a variety of problems, including (but not limited to) a strong tendency toward consolidation

Efficiency is good. Maximizing for efficiency is not. It leads to a variety of problems, including (but not limited to) a strong tendency toward consolidation of power in too few hands (thus leading to abuses), and fragile systems that break down when a shock comes (like we saw with the supply chain issues during the height of COVID lockdowns).