It's not absurd because in 1984, Goldstein's writing shows evidence of thinking like Orwell (based on Orwell's other writing) and evidence of rational thought processes, while Smith is an extremely dislikable protagonist, a wannabe acid-throwing murderer[1], which makes me think he's cardboard, suitable for the "fast-forward".
https://news.ycombinator.com/item?id=24737728
[1] part II chap 8. By comparison with 1984, the FBI usually gets violent nutcases to come up with their own scenarios without such explicit prompting, but in real life these sorts of people are not lacking for supposing that (their often paranoidly fictional) ends justify the (thankfully equally fictional, at least when they procure "bombs" from HumInt sources) means, either.