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[[quoteright:350:[[Film/ScaryMovie http://static.tvtropes.org/pmwiki/pub/images/death-savety_8844.png]]]]
[[caption-width-right:350:Uh... can I [[Series/WhoWantsToBeAMillionaire use a lifeline]]?]]

->''"Nature abhors a moron."''
-->-- '''Creator/HLMencken''', 1949

There's simple ignorance, when you just didn't know something. There's catching the IdiotBall, which is a momentary lapse. There's fear and panic in a chaotic situation. All those situations are understandable reasons for making poor decisions. Then there's ''these'' guys. People who are so stupid that they simply do not ''deserve'' to survive.

Walking down the alley alone to tell his friend about the SerialKiller in town. Telling everybody in earshot he has [[HaveYouToldAnyoneElse vital evidence that he'll be taking to the authorities very shortly]]. [[CuriosityKilledTheCast Hovering in a known dangerous area]] [[NeverSplitTheParty without backup]]. [[PoorCommunicationKills Not telling the rest of the heroes about the upcoming trap laid out for them]]. BullyingADragon or MuggingTheMonster. [[WhatDoesThisButtonDo Touching buttons]] [[DontTouchItYouIdiot when told not to]]. JugglingLoadedGuns. [[PerilousOldFool Refusing to believe his glory days are behind him]]. [[BlackmailBackfire Blackmailing someone about murder]]. Not only possessing GenreBlindness, but putting [[Franchise/TheHitchHikersGuideToTheGalaxy Zaphod Beeblebrox's]] [[HorribleJudgeOfCharacter Peril-Sensitive Sunglasses on over it]]. Even close friends have to {{facepalm}} upon hearing of his or her exploits. WhoWouldBeStupidEnough These people, that's who!

This trope is, surprisingly,[[note]][[HumansAreMorons or not]][[/note]] TruthInTelevision, as many people can attest to, although [[Administrivia/NoRealLifeExamplesPlease we won't.]]

Compare ArtificialStupidity, the video game equivalent of this which is a result of AI rather than the script being against them. Contrast DeathByPragmatism and LetsGetDangerous. Not to be confused with EvilutionaryBiologist or TheSocialDarwinist, although [[ValuesDissonance they generally consider it a]] MoralEventHorizon [[ValuesDissonance to not kill the dumb]]. See also SuicidalOverconfidence, another video game version. LethallyStupid is when someone's stupidity simply causes havoc, instead of being the cause of their demise.

As this is a DeathTrope, '''[[Administrivia/HandlingSpoilers expect unmarked spoilers on the subpages]]'''.

For RealLife examples, see the ''Website/DarwinAwards'' and ''WebVideo/WhatTheFuckIsWrongWithYou''.
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