> and often discover huge classes of wrong behaviors, and never repeat any of them Once burned, twice shy. And often that results in irrational aversion to hug

> and often discover huge classes of wrong behaviors, and never repeat any of them Once burned, twice shy. And often that results in irrational aversion to huge classes of behaviors just because they appeared in the larger context of the failure of an endeavor as a whole, which I'd say is not a good way to learn from failures.