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.
Sci Fi Ghetto: Averted; The Doomsday Conspiracy and Are You Afraid of the Dark? both qualify as sci-fi but are shelved alongside his non-fantastic novels in bookstores.