This is where the limits of the categorical imperative become apparent. If there were a fund (assume a spherical, frictionless, voluntary society) that was the

This is where the limits of the categorical imperative become apparent. If there were a fund (assume a spherical, frictionless, voluntary society) that was the only way to feed the hungry, everyone should donate to it. Unfortunately it's set up by an evil game master, and one in ten thousand donations is answered with a bullet to the spine. Of course the categorical imperative says we should do it anyway. I wouldn't. You wouldn't. Rational defection on bad payoff matrices is correct behavior.