This is not new, search for "MM1 queue" and you will get a lot of mathemathical results explaining why this effect happens. Is a study case of queueing models.
I'm from Uruguay. Here US is hated by only a few, left ideas oriented people. I think the reason that make US to be hated is because its support to dictatorships and its imperial behavior over almost every country.
But trust me, it is hated by only a few (at least here and the surroundings).