I wasn't saying that playing video games does not engage the creative part of one's brain whatever it is. I was simply saying that at the core of creativity is producing something that you can show to others, and that the biggest pleasure you derive should be not so much from being engaged into the process of creating (many great artists in fact literally suffered expelling inner demons/whatever when they made art), but from being proud that you have something to show. Otherwise you won't be pulled in one direction (to show something great to others) but in many at once (by whatever tickles your fancy during the creative process), which means you won't be as productive, which means you won't be as creative as you could be, which means that you will eventually stop valuing creativity because people in general are biased to value only those things they are good at.