It's by far the largest software market in the world and extremely influential, if you don't have a solid foothold in the US you are likely to get screwed down the line by a competitor that does. This is not likely to change anytime soon.
Their goals are completely selfish and if you care about free speech you should fight people who try to convolute anti free speech and copyright to further their agent. This is just another version of "OMG PEDOPHILES/TERRORIST, AGREE WITH US OR YOU ARE ONE OF THEM!" except in this case you must agree that torrenting American TV show and movies should be legal or you are an anti free speech fascist.