“they insist, with computers already doing jobs as complicated and as fraught as driving cars, detecting cancer, and carrying on conversations, they can certain

“they insist, with computers already doing jobs as complicated and as fraught as driving cars, detecting cancer, and carrying on conversations, they can certainly handle grading students' essays.” Except that computers can do none of those things, and those three things are all much simpler tasks than critically grading a student’s essay. Also, of course the companies selling these products will say they work great. That’s the very very last person to trust in the conversation.