User blog comment:AnimationFan15/Fanfiction - Whitewashed/@comment-25506832-20161015201120/@comment-24364245-20161015201351

He wrote down things that made it sound like he was mocking, insulting, or embarrassing them. The sisters weren't aware that the story was from his point of view, not theirs, that's why they got mad.

Did you read the warning at the beginning?