Haiti today is a situation that makes my moral intuition throw error codes. Population density is three times that of Cuba. Should we be sending aid? It would be kinder to send helicopter gunships and carry out a cull. Cut the population back to one tenth of its current level, then build paradise. My rival moral intuition is that culling humans is always wrong.

Trying to stay concrete and present, should I restrict my charitable giving to helping countries make the demographic transition? Within a fixed aid budget one can choose package A = (save one child, provide education, provide entry into global economy; 30 years later the child, now an adult, feeds his own family and has some money left over to help others) package B = (save four children; that's it, money all used up, thirty years later there are 16 children needing saving and its not going to happen). Concrete choice of A over B: ignore Haiti and send money to Karuna trust to fund education for untouchables in India, preferring to raise a few children out of poverty by letting other children die.