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* Academics tend to whine that whatever books are selling more than the books they want to have people read will ruin literature FOREVER. Usually it's the fault of academia in the first place, when they write and print books only for the wealthy and privileged then complain about the unwashed masses not reading the "TrueArt" books. Some good examples, look at the reviews of TrueArt academic literary critics for Creator/WilkieCollins' ''Literature/TheWomanInWhite'', often considered now to be a great example of nineteenth century literature, and ''Literature/TheLordOfTheRings'', whose reviews by the literati were not only absolutely disparaging but in many cases were by people who plainly hadn't read the book.
* Literature/HarryPotter got together with [[spoiler: [[HeroesWantRedheads Ginny]] instead of [[VictoriousChildhoodFriend Hermione]]]]? Instead of [[ManicPixieDreamGirl Luna]]? Instead of [[FoeYay Draco]]? Instead of [[PerverseSexualLust me]]? Ruined FOREVER!
** Ties into FanonDiscontinuity as well: many simply pretend that the Epilogue (or even the last two books) never happened, and instead read AlternateUniverse fics [[CompletelyMissingThePoint focusing mainly on the romance]]. Rowling has gotten ''death threats'' over this, and even has been told that [[DeathOfTheAuthor she doesn't know the characters like they do]], and that she has to [[{{Subtext}} "read between the lines"]]. You know, [[InsaneTrollLogic the lines she wrote.]]
*** How often does one get DeathOfTheAuthor literally as well as figuratively, let alone simultaneously?
* ''[[Literature/ASeriesofUnfortunateEvents A Series of Unfortunate Events]]'' is Ruined FOREVER at the end of the thirteenth and final book know as ''The End'' when not all the mysteries of the series were solved that were introduced at the end of book five ''The Austere Academy'' this includes the fates of the characters.
* ''Literature/TheElderScrolls'' novels ruined ''Franchise/TheElderScrolls'' FOREVER! On one level the novels were announced the same day Bethesda said that the next game in the series was a long way away, so it could be Pavlovian, however people complain about things in the book, claiming they ruin the series FOREVER, even though those things were major parts of the games, especially ''[[VideoGame/TheElderScrollsIIIMorrowind Morrowind]]''.
* Every time ''anything'' happens in the ''Literature/WarriorCats'' series (which is all the time), at least a quarter of the fanbase is going to scream this.
** To be more specific, some "[[UnpleasableFanbase fans]]" insist the series was Ruined FOREVER at the beginning of the second arc, and some believe it was the middle of the second arc, and some... Ah, forget it. The series has apparently been Ruined FOREVER at the beginning, middle, and end of every arc [[NostalgiaFilter except for the first one]].
* ''Literature/{{Twilight}}''. According to some people, the series's existing means vampires (and maybe literature) are ruined FOREVER AND EVER.
** Note that ''exactly'' the same complaints were lodged when Anne Rice's vampire literature became popular as well.
** An interesting point for non-haters and haters of Twilight alike, they seem to agree that Breaking Dawn ruined the series forever.
* There were people who were not happy about there being [[Literature/AndAnotherThing a sixth book]] in ''Literature/TheHitchhikersGuideToTheGalaxy'' {{trilogy|creep}} by [[EoinColfer a new author]] and declared {{FanonDiscontinuity}} before it had even come out.
** Although considering the amount of NegativeContinuity and ContinuitySnarl the series as a whole suffers from, that probably doesn't matter.
* The ink was barely dry on the first Kevin J. Anderson - Brian Herbert collaboration before it was declared ''Franchise/{{Dune}}'' had forever been ruined.
* It's a specialty ''du jour'' in ''Literature/TheHungerGames'' fandom. ''Mockingjay'' disappointed, soandso died, [[spoiler: Gale got the boot]], Jennifer Lawrence looks like a blonde cow. It never ends. And ''then'' there are those who [[FanDumb complained about the casting of Rue, Thresh and Cinna]] (who, by the way, were all [[UnfortunateImplications African-American]]).
* ''Literature/PercyJacksonAndTheOlympians'' got this reaction by fans when the SequelSeries ''Literature/TheHeroesOfOlympus'' was announced. It turned out to be a pretty decent series.
** ''Literature/TheHeroesOfOlympus'' has a vocal minority of people who believe that the revelation that [[spoiler: Nico di Angelo is gay and has feelings for Percy for most of their acquaintance]] ruined the series, saying it had no other relevance than to be part of the author's liberal agenda and is inappropriate subject matter for the target audience.
* Creator/VCAndrews fans have a few different opinions on this. Either when the ''real'' Andrews died and Andrew Neiderman took over for the books, after the ''Casteel'' series ended and Neiderman began the ''Cutler'' series (The first series not started by Andrews herself), after the publication of the ''Orphans'' miniseries with the change in format, when they did away with the stepback covers, or when Neiderman stopped doing family sagas all together.
** ''Dollanganger'' fans had a field day with the ''Christopher's Diary'' series, and the reveal that [[spoiler:Cory was alive]].
* With the publication of Harper Lee's "lost" novel, ''Go Set a Watchman'', a sequel to ''Literature/ToKillAMockingbird'' the transformation of [[spoiler: Atticus Finch into a bitter bigot trying to stop the desegregation of the Deep South]] has already tarnished the novel's legacy.
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