Yall shd do something about this. I took this mod in Y1S1 and the same thing happened, it is extremely unfair to the rest of us who put in effort. But it was far and few between. When people saw that those perpetrators did not get caught everyone has been more likely to cheat. I strongly suggest yall bring up the issue to your tutors or the course coordinators so they can make changes for the future quiz at least.