The US has a ban on spying on its own citizens without a warrant which it tries - however imperfectly, in numerous regards - to enforce. For people outside the US's territory, it's open season.
No. They found a legal loophole around that, using UK as a proxy.
Well, what happens when they can't tour?
They lobby with their friends at ministry of culture and get royalties on blank media from people that have never heard of them doing backups of their data! Yay! Never have to work again!
Machines certainly can solve problems, store information, correlate, and play games -- but not with pleasure. -- Leo Rosten