Because academics love to cling to outdated and today factually incorrect terminology, while arrogantly berating the general public when they do the same.

"Actually, it's not called the Sapir–Whorf hypothesis anymore. The preferred term is 'linguistic relativity' now."

... while you keep using titles that have been nonsensical for 200 years. Got it.

Academia is 99% power games. The emperor wears no clothes.