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.
Harsher in Hindsight/Too Soon: Adventures of Superman #596, one of the issues dealing with the aftermath of the story featured the Lex Corp Towers heavily damaged due to the events of the story. While written months before, it was released one day after 9/11. DC acknowledged the similarities and made the books returnable without penalty to retailers.