Something strange is happening to the economics of purpose.
Andreessen Horowitz just released their Big Ideas for 2026, and as one recap put it, “AI is becoming the execution layer of the economy.” Systems that act. Infrastructure built for agents. Companies that replace entire workflows instead of assisting them.
They’re right about the technical trajectory. But there’s a glaring absence in this vision, one that explains why so many AI projects are failing right now: efficiency without purpose doesn’t sustain human engagement.
The industrial revolution was about efficiency in making. The AI revolution is about efficiency in deciding.
The a16z playbook leans heavily toward optimization—faster execution, automated workflows, agent coordination. The list is heavy on execution infrastructure and light on the motivation layer that determines adoption.…
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