My intuition is that nature does as little work as possible. Sometimes ‘as possible’ means optimal, in the theory-wankery sense. This doesn’t mean each finding of optimality is indictment of Her laziness. It’s just that you can’t always sloth your way around. Though the folks who look at optimality as a, or the, guide star seem to me to be more about looking for the sanity in humanity, and themselves, than looking at any sensible biology.
But then again, ‘be lazy as you can be’ could be conceived as an….