Calling it now, the AI grader will mark 0 for black and latino students at a higher rate than white students, and this will have life altering consequences for these students because they never get a fair regrade by a human.
In the article they already admit as much, that the grader marks 0 for anything it doesn’t understand, such as slang.
This is a “stop ship” issue if they cared about the students half as much as they’re excited about saving money.