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I think maybe "hard sci-fi" should be a genre and that "science fiction" should be a genre and never the two shall meet.
it is, of course, Mars itself that really drives the plot.
and KSR's books are like a universe populated by Aspies.It's years since I read them but I think your point might be one of the main reasons I enjoyed the books as much as I did - not simply because I'm aspie, too, but that you learn just enough to get an idea why-who-did-what and rarely at the expense of the story moving forward. Plus I'm a sucker for the endless scientific detail. Hate to admit it here but I'm definitely in the camp who prefer events over people; like the characters are essentially passive, albeit subjective, lenses we see their world through.
I wonder if there's an exploration to be made of the way that we find affinity for characters who are more or less like ourselves?Definitely maybe. I've always felt that the majority of people are at the mercy of events which they have no interest in and little control over and it's how they react to/cope/deal with these things that's always interested me. Character development's all well and good, just so long as it has a point and contributes to moving the narrative along somehow. And I have a pretty low tolerance if I think emotional dialogue, thoughts, feelings or interactions drag on and, for me, needlessly distracts attention away from where it should be going. Additionally, I think sometimes over-indulgence in describing what a character's back-story or emotional state is can border on making the reader a bit lazy. As limited (or so-wrong-it's-out-of-the-ballpark) my interpretation of all that might be, trying to intuit their motivations and subsequent feelings is part of the mindscape I create for myself when I read.
It does seem as if the needle has swung almost entirely the other way in recent cinema - I'm thinking of the recent trend in movies like /Cloverfield/ or /Paranormal Events/ to only ever show the reactions of the characters, telling the whole story through their eyes without any god's eye narration or big reveals.