Some of that isn't new, but the ability to use vast computing resources to map behavior prediction of 300 million people to an accurate degree, is.
They no longer need your friends, family and neighbors to rat you out as a traitor (terrorist sympathizer?). They already know everything you have said, everywhere you have been, and everything you've done.
ARGUS is very new. And it's a required cornerstone of behavior control. They'll have a hard time dictating who you are, if they don't know where you are at all times.
The ideal fascist state is one of total compliance. A step forward for them would be to accomplish that with even less bloodshed, by essentially brain washing an entire culture toward a new way of thinking (war is peace, slavery is freedom). Not just empty slogans, posters, and fear, but actual belief across an entire culture.
When you look at the near complete lack of protest against the rise of the fascist state in America, you can see they're already well on their way to having accomplished that.