You guys should watch Goblin Slayer. I know y'all have pedestrian rape fetishes.
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Tsundere girls are popular only bevause they seem more real. They treat the audience's stand-in with contempt (just like real girls), but that's only because they can't express their feelings (unlike real girls, who feel only genuine contempt).
It's this thin veneer of realism over the typical anime horseshit that gives the tsundere archetype its enduring appeal.