> However, let's not forget that every piece of code they write and every root-kit they successfully deploy will soon be taken advantage of by black-hats, quite probably in ways that will cause damage to systems completely unrelated to media playback of any sort.

It will be stupidly easy to execute; if the malware shuts down computer when it detects illegal download, the only thing an attacker needs to do is to trick the computer/user into downloading illegal content. And that's it. Though this simple trick doesn't let them steal data or take control of the computer, there are many uses an attacker can find for just killing the machine. Blackmailing, social engineering, or just disturbing some crucial business operations. I can even imagine 4chan folks trolling people like this for fun.