Well, you're envisioning a world where your "moral" living, if you can get away with than Ayn Randian bullshit, is actively removing the ability of many other people to do the same. By pretty much every moral system, America is a pretty shitty place in a worldwide context. You think Kant, who wrote "Perpetual Peace", or John Stuart Mill, who advocated generating the most amount of happiness globally and said the best pleasures are intellectual (read: what people pirate on the internet), would approve of the way America (and Europe) holds the rest of the world hostage, economically and militarily? And honestly, most people on this site live far, far above what is necessary for a good life, in the sense of good health, food, and stability. It's a little sickening to see people not only ignore the rest of the world but to claim that it's "moral". Go spend a day watching people starve or die of curable sickness and then defend buying that nice car or that new computer. Hell, go into the ghetto and claim that what the upper class does to the lower classes (which is much nicer than what America does to the rest of the world) is moral.
Look, we all want to provide for our loved ones, but to claim that the level of excess we all indulge in is moral is just disgusting. I literally want to vomit at the thought and I'm ashamed to share a citizenship with you—at least I have the grace to admit that I'm a pretty shitty person for not giving back to the world to the extent that I could.
And at least I do SOMETHING (namely, volunteer and give unneeded money to efficient charities) to save the life of someone outside the US, which is more than most people do. I'm pretty sure the view of people suffering in third world countries is economically an entertainment product sold by CNN and christian charities.