I think a lot of people look at Haiti as similar to our inner cities, plagued by crime, gangs, and corruption and probably beyond saving. It is the Detroit of the Caribbean - no one cares how poor they are because of the perception that they're not willing to help themselves. From 1990 to 2005, the US gave 1.5 BILLION in aid to Haiti, and what has it accomplished? Is it any wonder that in our current economy, people are more concerned about where our dollars are spent?
FWIW I'm generally opposed to foreign aid, period. I have no issue with our govt stepping up with needed resources in times of crisis, and don't have a problem with our search & rescue teams, military, construction, and medical resources being used in these circumstances. I don't think we should be giving money to foreign govts, however, especially in nations like Haiti where history has shown time and again that monetary assistance likely won't be put to effective use.