Isaac Asimov's Review of 1984 (1980)
newworker.org
newworker.org
As a teen I read Asimov's Guide to Shakespeare, Asimov's Guide to Humor, and a good fraction of the other 200 books he had published up to then. He more than doubled that number before he died. He was careful about his facts, though he had a policy not to look anything up anywhere but his own bookshelf. He also would not use vehicles: if he couldn't walk there, he wouldn't go. That was possible in New York.
The Nazis made extensive use of IBM proto-computers (card sorters) for tracking and processing their victims. https://en.wikipedia.org/wiki/IBM_and_the_Holocaust
He saw himself as a democratic socialist, and the horrors of stalinism didn't make him give up socialism, it affirmed his belief that democratic socialism was the way to go, in contrast to the tyranny of the USSR.
I bet they must be shocked to learn how we are living in their nightmares where big brother government continues to grow with all the help from Computer, AI, Virus ....