The second most common reason that I will roll my eyes while reading a book is the slippery slope fallacy. In short, it is a non sequitur argument that relies on the theory that if the first thing happens, then the second thing will happen, and surely then the third will, too. It’s the kind of logic that will stop me dead in my tracks while reading.
Think about it, you’re reading along and really involved with a character. You think he/she is smart, reasonable, believable, the whole shebang. Then they are presented with a situation, such as whether or not to tell another character, say a subject expert, about an important bit of information that would bring the story line to a quick conclusion. The author, wanting to extend the story line, has the character come to the conclusion that if he/she tells the subject expert, said expert would get upset and would to tell his/her mother. If that happens, the mother would have to tell her friend and then that person … and so on until the antagonist would have all the information needed to foil our hero’s plot. *sigh* In the middle of this, I always think the same thing, “why not just explain to the subject expert that if he/she tells said mother, and the situation does spiral out as it was predicted, said mother would probably be (insert consequence)
Do you have a favorite slippery slope fallacy?