This is a natural law of the digital world, and makes copying on the Internet different from copying Rolex watches or Louis Vuitton luggage. What the entertainment industry is trying to do is to use technology to contradict that natural law. They want a practical way to make copying hard enough to save their existing business. But they are doomed to fail. Any security measure will work against the average users, who are at the mercy of their software.
Hackers are more difficult to deter.
If he can make a profit selling the hacked software or stolen music, he will defeat the copy protection. The entertainment industry knows all of this, and tries to build solutions that work against average users and most hackers. Then anyone, even an average user, can download the software and use it to defeat the copy protection scheme. This is how computer games with defeated copy protection get distributed. The entertainment industry is responding in two ways.