A teacher explaining Pythagoras' theorem to a class. The kids react by calling it fake news, "it's a theorem not a fact", "and you trust mainstream mathematics?", "how much does the geometry lobby pay you to say these things?" etc.
https://s3.nl-ams.scw.cloud/manganiello-social-media/c8c0f33939c8d4946894330eea4aa260093e39225680012121339c011080cdc6.jpg