Earlier quoted context omitted.
The United States used to be an example to the world. As a nation it used to take its founding principles seriously. That started changing during the cold war and became most obvious post-9/11.
> The United States used to be an example to the world. Or so the americans say. Who else ?
Of course, back then there was an obvious common enemy to point at, and the help the US provided to our country during and after WWII was still kind of fresh in the collective memory.