Any kind, empathetic character in a book sacrifices themselves to help others? "Oh, that character is an allegory for Christ, that's why they acted that way." I used to hear this all the time in English classes from middle school on, and eventually it got annoying enough that I wound up sitting down and reading the whole damn bible, just so that I could ask "In what way are this character's actions better explained by them representing Jesus than by the fact that they've been an empathetic, kind character who looks out for others for the whole book?" and actually be able to call out teachers that were just using it lazily.

Yes, there are plenty such allegories out there in books, but it got to the point where it seemed like some sort of thought terminating cliché for literary analysis in middle school and high school.