So, lemme get this straight: allowing remote parties to install malware (DRM) on your system results in allowing remote parties to install malware on your system? Wow, who could have known! Certainly not the distributors of the step-one malware, am I right?
I'm certain there's a couple of lessons to be learned here (install and run games as normal, non-elevated users, people! It's easy to do on Linux) but I'm also somehow certain Big Corpos are going to stick their heads into the sand regarding such lessons.