As much as I hate to admit it, America doesn't have the best track record in world affairs. While we may seem to be doing "the right thing", more often than not the motivations are politically and financially based. Read "Broken Government" by ex-Nixon legal aid and now democrat/independent John W. Dean. It's a very objective and fact based examination of American politics and the race for natural resources. Dean discusses US foreign policy with regards to driving conflict in the Middle East through covert ops in order to secure resources, pitting countries against one another with the intention of reaping the benefits. Everything from oil to Brazilian sugar to the cold war, America consumes 25% of the worlds natural resources and as such has created a dire need to secure America's global interests.
However, Apple is doing a great service. By allowing consumers to easily donate through the iTunes store will help independent causes in their efforts to save lives in Haiti. It can't be any easier than a click of the mouse button. Post this on your Facebook account, assuming you have one, send out emails to your friends and family. The more exposure this gets the more lives will benefit.