Nanoha was an anime.

This is the trope: link
Analysis: link
Laconic: link
From the Bad Writing Index( link ): "Making almost every character a despicable scumbag and giving absolutely no hope for the rest will only tire out the audience until they lose interest in the story."

Here's these other TV Tropes pages:
Main: link
YMMV: link
Nightmare Fuel: link
Characters: link