I don't know, it's a gut feeling.What could possibly disgust you about Starship Troopers?
I mean, I didn't like the movie and, after being told that the original was completely different, decided to give it a try.
I guess the whole "veterans are the only people worth giving the rights to vote" + "democracy is a failure" message that permeates the whole book is too much for my little brain.
EDIT:
Maybe I should have born 60 years ago, maybe I would have loved all those meaningful messages like "you should beat your kids because otherwise they'll become juvenile delinquents and the get electric chaired as soon as they turn 18".