You still get it, don't you? That sneer on the face of someone who thinks that the hours spent playing video games are a waste of time. Here, show them this.
If you're the kind of person that follows the myriad ways that games can improve your abilities, much of the stuff in this video from AsapSCIENCE will be old hat. But, if it's new to you, then you'll come away with interesting findings as just how good games can be for your brain.