( Annoying af trope ) When the good guys possess perfect defensive position/advantages that was completely ruined by someone's sheer stupidity, pettiness, or selfishness

[u/Routine_Phase_8980]

I understand that these scenes must happen in order for the plot to continue but they still make me angry till today whenever I think about them because of how easy it could've been avoided. I doesn't mean these scenes are necessarily bad written, just hella hard to watch.

The Jerusalem Wall / The Singing Crowd (World War Z): Israel literally anticipated the zombie apocalypse and built a flawless, massive wall that kept everyone 100% safe. It was the ultimate safe haven. But then people inside started celebrating and singing on a microphone so loudly that it triggered a zombie pyramid, they didn't even stop until the first zombies started coming through. They have less survival instinct than an amoeba.

Ephialtes (300): The Spartans had the perfect phalanx formation at the Hot Gates. They were slaughtering the Persian army with minimal casualties and could have held them off for so much longer. Then this guy gets his feelings hurt because he can't lift a shield, throws a tantrum, and tells Xerxes about the secret goat path.

Grandma Jong-gil (Train to Busan): The survivors fought through hell and literal waves of infected to secure a safe train car. Sure, the crowd inside was selfish for locking them out at first, but everyone was finally safe inside. Then this grandma, fueled by grief and spite over her sister, decides to open the door and let the infected flood the entire car, killing everyone.

[u/bnej]

Train to Busan is about selfish people ruining it for the younger characters.

Like a lot of zombie movies the zombies aren't the enemy, they're the inevitable consequences for selfishness and carelessness.

[u/IvD707 → u/bnej]

I like zombie movies, but it's better to look at them the same way you do with disaster movies.

There's some horrible force of nature, like tornadoes/earthquake/volcano/trunami/zombies, which forces characters to either become villains or become heroes.