&gt; The evolutionary, data-driven approach will never yield a Nest thermostat, iPhone, Helvetica, or flag of New Mexico<p>...for now, given today&#x27;s technology, but I wouldn&#x27;t bet on it long term. History is full of examples of things we once thought only humans could do.<p>But once many candidate designs are available to choose from, what better a way is there to unambiguously decide on the best besides testing and measuring?