Yes, niche. He could make a profit doing homework for others, for a short time until he is caught I suppose. But America simply doesn't have the industry to really boost someone like him, and no one building any wants people who can't write on their own with their own hand or think with their own mind.
People like him have no real conceptual understanding of what they do. He can't do back of the envelope calculations, think quickly, or solve problems. And that's why Chat GPT will always be bad and immoral.