Now i just think you're being disingenuous.
Are you really trying to say you think the author understands the three-body problem?
Are you saying the errors from iterative calculations of three stars and a planet build up so fast, and that they move so fast, that they can go to sleep one night with everything fine and completely without warning wake up the next morning with a sun filling the entire sky or all three suns looking as far away as Sol from Neptune?