He does have a broader point:
Basically, as 1000Knives said, parts of the world are mad with the US. And cases have been shown by different people, included me, where the US screws over other nations and their people for it's own benefit. Such countries have good reasons to be mad at the US then. And rightly so, I hope you can see that.
The US gets away with it thanks to the military; that's where my comparison with a bully, came from. Most countries can't hope to win against it, but they still resent it, and will try to get back at it in some way. Many terrorist acts and insurgency come from there; many Iraqui insurgents, for example, are not in it because Jihad, but because from their point of view the US has invaded their land and taken their resources and ruined their life. Although I abhor terrorist acts that kill and harm innocent people in order to archieve some goal (the US has historically supported their fair share of those too, mind you, as Kjas said) the motivations behind some of those terrorists are sometimes genuine, they just want to be left alone, and the US won't give them that, and then they turn to whatever means they can even if they are wrong.
The US is not "right". Sure, it's the land of Liberty and Free Speech and such, and in fact I must admit it's commendable how free US citizens are compared to many other parts of the word, but the keyword here is "US citizens". Because the rest of the world can get screwed for all the US seems to care, and I'm sure it doesn't give a s*** about the freedom of, let's say, sugar plantation workers in Latin-America during the past century, or about rare-earth miners in Africa, if they did things would get way too expensive and that would be bad for the economy. The scary part is that I can see how for you, an American citizen, would this state of affairs be advantageous. The US is a selfish country in this regard, and I guess that would make you selfish, but I wonder, do you think being selfish is a bad thing? Do you believe it is justifiable screwing over other countries, and the human beings that live in them, if it is on your country's interests?
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To build may have to be the slow and laborious task of years. To destroy can be the thoughtless act of a single day. - Winston Churchill