Since their headquarters are based in the UK, the feds don't have jurisdiction. The places in NY and NV are just call centers. The feds could shut them down, but they'd just pop up again somewhere else.
But they do need to be shut down and the owner sent to jail. They could care less what laws they break. They say they only have to follow the laws of the UK, and that we all agreed to that, but the laws of the UK are pretty similar to the laws of the US. They are breaking the laws in the UK too.
An idea - Maybe we all need to start complaining to a UK agency . . . . Has anyone tried that yet? They may have the power to shut them down.