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.
They Wasted a Perfectly Good Plot: Played with in "A Survey of the Works of Herbert Quain", which reviews several books from the titular (fictional) author; one of them is a collection of stories in all of which Quain has deliberately wasted a good plot turning it into a wrong direction, with the intention of making the readers believe they have discovered the better possible plot themselves.