I saw this but I decided to call their bluff and see it as just a cover your ass statement to be able to say they had no intention of serving customers in the US.
Even if they force close your channels you can recover them manually. Even if you lose the app you can get it on GitHub and connect over TOR. Or if the node is offline, use the app to force close from your end. I really didn't see any reason to get spooked.
