These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Hilarious in Hindsight: Darkly so, but a character played by Robert Redford falling prey to a CIA conspiracy is pretty funny in light of his role in 2014's Captain America: The Winter Soldier as the architect of a similar conspiracy. Doubly hilarious because the directors of that film cite this one as one of their inspirations.
The plot of the movie is Atwood ordering the hit on Turner's office to cover up a plot to seize Middle Eastern oil fields. Higgins later tells Turner the plot wasn't a bad idea, and defends the 'war game' by pointing out the growing Energy Crisis of The Seventies. Cut to 2003, with the Invasion of Iraq and the whole debate over who gets control of all those Iraqi oil fields...
The book's original plot had the CIA involved in drug trafficking, which was changed because they came up with a "more plausible" idea. But given the real CIA's history with Manuel Noriega, the Contras, and Gulbuddin Hekmatyar in the 1980s, it's not so far-fetched after all.