Of course it matters. In a class where cheating is permitted, the students who choose to cheat will perform better than they otherwise would have. That will giv

Of course it matters. In a class where cheating is permitted, the students who choose to cheat will perform better than they otherwise would have. That will give them an advantage over the students who choose to not cheat. I personally experienced this in undergraduate with a professor who chose to ignore obvious cheating and I think it negatively impacted the motivation of students to learn the material.