To protect real property. Violations of copyright should be strictly civil issues. Why are the people who arrest murderers and vandals involved in this?
I honestly don't see why the cops should arrest someone that burgles an office building (say of a film producer) and not someone that gives away the content they paid to make for free. In what way is it different?
Ah, yes, that's a good argument for property definition. I agree that it seems excessive to use armed force to enforce this, I was more questioning how to differentiate the two situations in law so cops don't have to exercise that judgement.