Every new political theory, by whatever name it called itself, led back to hierarchy and regimentation. And in the general hardening of outlook that set in round about 1930, practices which had been long abandoned, in some cases for hundreds of years—imprisonment without trial, the use of war prisoners as slaves, public executions, torture to extract confessions, the use of hostages and the deportation of whole populations—not only became common again, but were tolerated and even defended by people who considered themselves enlightened and progressive.

That makes me think of Guantanamo Bay, among other things. And then there’s this…

By comparison with that existing today, all the tyrannies of the past were half-hearted and inefficient. The ruling groups were always infected to some extent by liberal ideas, and were content to leave loose ends everywhere, to regard only the overt act, and to be uninterested in what their subjects were thinking. Even the Catholic Church of the Middle Ages was tolerant by modern standards. Part of the reason for this was that in the past no government had the power to keep its citizens under constant surveillance.

Emphasis mine. Yup, makes me think of the Patriot Act. Just a little more…

The invention of print, however, made it easier to manipulate public opinion, and the film and the radio carried the process further. With the development of television, and the technical advance which made it possible to receive and transmit simultaneously on the same instrument, private life came to an end.