There is and always will be debate on what's worth learning, but if we decide that something is worth learning, it is worth learning to do it yourself, not have AI do it. Schools all over have a big problem with that because kids are using AI to do things that we believe are learning. Is this something that's important to learn or should we now say, you know what? Everyone has an AI. Let's stop teaching these stupid things that AI does well and start teaching other things. That's a question I'm not going to answer, only time will tell and we'll have other debates in the future along similar lines about something else.
He still assigns homework. He's not grading it. The students that want to try, they're free to do it. If they have questions, there are office hours.
The only thing being removed is the grading, not their homework. If they want to learn, they can.
Except for the person refusing to grade it, of course.