The difference I think is that the lock on your front door is on your front door. Whereas I think even if there's no other copyright violation, it's still illegal to break DRM.
Picking the lock involves trespassing your property. Breaking the DRM is illegal regardless of if it's trespassing on anyone's property.
Picking the lock involves trespassing your property. Breaking the DRM is illegal regardless of if it's trespassing on anyone's property.