"...they didn't have any big attack..." "Big attacks" are vanishingly rare. But, just for the sake of argument, they haven't had an attack until they do. The

"...they didn't have any big attack..." "Big attacks" are vanishingly rare. But, just for the sake of argument, they haven't had an attack until they do. The point of this is the US is actually harvesting way more data than the U.K., and we have so-called "lone wolf" attacks every couple of months. Mass surveillance doesn't keep you safe.