The educators will adapt. They might use AIs to grade papers written by AIs.

Or, do what my kids' school did for some classes. Instead of teaching in class and then assigning homework, the homework will be reading a text book and classroom time will be spent writing essays by hand, doing exercises, answering questions, etc...

How does grading with AI help when the content is generated by AI? might as well just take humans out of the loop, but I don't think we're in a post scarcity society yet...