This exact thing.
If all you're doing in college is get AI to spit essays, you're paying for a fact paper that means nothing, often with huge debt. University is for teaching you To Think. Sometimes in specific linear ways, sometimes in symbolism. Essays aren't to prove you have a computer.
One thing I find endlessly funny about the rise of AI is that it has revealed that there is a large number of people who believe that the reason they wrote essays at school or university is their teachers were desperately waiting for them to provide a definite answer to “Lear: what’s up with him?”