In such case it seems that GPT-3 main effect is to make eroding standards easier. As while rules are not changed, cheaters can put less work to pass it by cheat

In such case it seems that GPT-3 main effect is to make eroding standards easier. As while rules are not changed, cheaters can put less work to pass it by cheating than before. So standards can be lowered while pretending (for now) that it has not happened.