So much this, even if you can create a decently accurate ML system to score student essays it absolutely doesn't handle the adversarial nature of scoring and is

So much this, even if you can create a decently accurate ML system to score student essays it absolutely doesn't handle the adversarial nature of scoring and is frankly insulting given how much students are paying for tuition these days. The problem is AI-complete. Its a good tool for feedback and its acceptable for a MOOC or low-cost courses as long as there are adequate disclaimers and the student's final score is determined by a properly human graded assignment or exam.