As the web page of the Southern District Court of New York says,
  • This Federal Court has jurisdiction over and summons jurors from the counties of New York, Bronx, Westchester, Rockland, Putnam, Orange, Dutchess, and Sullivan.
So I don't exactly understand why all of Americans have to suffer.

Logically speaking, people living in those few counties, perhaps, may be restricted from PokerStars access until the issue is resolved, but that shouldn't be expanded to the rest of us.