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Tropes that are there because the writer had to include them - especially when a sharp-eyed viewer can tell the creator would have preferred to leave them out.

It happens for a number of reasons:
* Systematic ExecutiveMeddling
* MoralGuardians[=/=]PoliticalCorrectnessGoneMad
* A CensorshipBureau
* NecessaryWeasel (Requirements of the genre. For instance, if you want to do a PoliceProcedural, you had better include the procedure.)
* [[PragmaticAdaptation Constraints of the medium]]
* [[MediaWatchdog Government regulations]]

May lead to WriterRevolt in extreme cases. Clever writers may attempt GettingCrapPastTheRadar.

Contrast SubvertedTrope, AvertedTrope, DefiedTrope.
!!General examples:
* ActionGirl - at least when a show is action/adventure-oriented and has a prominent female role. Otherwise, the whole thing just looks plain discriminatory.
* CensorshipTropes. You can't ignore the censors without consequences.
* Being forced to {{Bowdlerise}} a work. The enforcers could be MoralGuardians, government requirements, or ExecutiveMeddling.
* When fiction deals with the history of some region, it may sometimes need RoseTintedNarrative to get mainstream success in that region. In worse cases, Rose Tinted Narrative will be required for [[BannedInChina publication.]]
** The DeepSouth in the first several decades of film got a lot of rose-tinting.
** Also happens with other works that require the authorization of their subjects - authorized biographies, for instance.
** Under UsefulNotes/TheHaysCode, priests, ministers, and other religious authorities had to be portrayed respectfully without exception. Fittingly, one of the co-authors of the Code's actual text was a Jesuit Catholic priest - and while he acknowledged that not all "ministers of religion" were worthy of respect, mockery of any one of them would (supposedly) encourage sacrilegious attitudes.
* AvoidTheDreadedGRating. It's presumed that any work that ''can'' be seen without moral qualms by anyone, regardless of age, is not worth seeing by adults ("children will watch ''[[ViewersAreMorons anything]]''"). Since this would cut into profits by scaring off parts of the potential audience, it needs to be avoided.
* YourPrincessIsInAnotherCastle is all but unavoidable in TV series if they run long enough.
** LeftHanging can easily be forced on a TV series if it gets ScrewedByTheNetwork.
* RatedMForMoney is often caused by ExecutiveMeddling.
* TheCoconutEffect, because RealityIsUnrealistic.
* CoconutSuperpowers, because of budgetary problems during production.
* A SpiritualSuccessor may be created because a legal dispute renders a true sequel impossible.
* Any medium that relies on a small amount of people on a hectic time table will occasionally not be able to do the research correctly, and make some mistakes. Especially if they're on a contract.
* Any work that [[MerchandiseDriven exists to promote or sell a product]] (such as a line of toys) will be constrained by product availability, turnover, popularity and gimmicks. {{Transformers}} is probably the most successful example.
* The AudibleSharpness in ''Film/TheLordOfTheRings'' was going to be averted, until [[TheCoconutEffect test audiences had trouble accepting the absence of the trope]].
* DawsonCasting can sometimes be necessary for legal reasons. One example is the film adaptation of ''Literature/TheReader''. Michael Kross legally couldn't shoot his sex scenes with KateWinslet until he had turned 18. A very common example is to avoid Union regulations and/or actual laws in regards to youth actors.
** Series/GameOfThrones takes this even further. In [[Literature/ASongOfIceAndFire the books]], Danerys is 14 when she is [[ArrangedMarriage married off]] to [[ProudWarriorRaceGuy Khal Drogo]]. She was aged up significantly to avoid the MoralGuardians, but as the time of her birth is tied to [[GreatOffscreenWar Robert's Rebellion]], the rest of the cast had to be aged up as well.
* PacManFever. Using a modern game would involve licensing or ProductPlacement agreements. Generic 80s arcade sounds do not.
* OurLawyersAdvisedThisTrope: Legal disclaimers are necessary to stave off attacks from overzealous lawyers.
* FiveFiveFive: Fictional phone numbers and addresses may need to avoid corresponding to ones in RealLife.
* NoBudget: When the creators are limited by budget constraints.
* WhiteMaleLead is usually employed because the entertainment industry feels (rightly or wrongly) that in order to appeal to whites, they need a white lead because white people won't relate to a minority.
* PrecisionFStrike shows up in many movies whose producers had to fight for "PG-13" ratings, since the MPAA's rules on profanity mean that a movie arbitrarily receives an "R" rating if it uses the word "fuck" more than once.
* In the ''Franchise/StarWars'' universe, [[OldMaster Yoda]] remains an example of InexplicablyAwesome because Creator/GeorgeLucas has explicitly forbade ExpandedUniverse writers from exploring his backstory, or revealing anything major about his (still unnamed) species.