The victim is the person who did the actual work and has the same credential as the person who did not, as well as the group who is using that credential as a decision filter. By cheating, you distort the information that credential is meant to convey.
Do you care if someone you enter a transaction with cheats, even if you take pride in your side of the bargain?
Humans (and other primates) have an innate desire for fairness. Ethics helps guide human interactions. If you don’t think interpersonal ethics are important, it’s hard to have a functioning society.
