Cheating is unethical. Choosing to not aggressively grade because the costs (time away from your PhD work) exceeds the benefits is not. I put in what was expect

Cheating is unethical. Choosing to not aggressively grade because the costs (time away from your PhD work) exceeds the benefits is not. I put in what was expected I just didn’t put in more. My moral obligation was to my PhD work, not some grading crusade. No crosses to bear here.