There are sites that tell you whether a piece of media contains sex, or queerness, or animal cruelty, or any number of things that apply to people across any number of religious, social, or political spectrums. Clearly there are many people who want to know what is in something before they see it, for whatever reason. You don’t have to think their reasons are legitimate, but their legitimacy is not yours to assess. You’re free to walk on by. C’est la vie.
I would rather have a content warning so sensitive folks can avoid it than have the media itself censored, bowdlerized, or altered.
"...everyone finally shut up, and the audience could enjoy the beginning of the Anatevka Pogram in peace."