The analogy I use is that 'World of Warcraft' is like going to the mall: you see a ton of people there, but you don't really want to interact with them; you just want to know you're part of the human race. And if you get in trouble, you'll know someone else is there.
Know how to choose well. Most of life depends thereon. It needs good taste and correct judgment, for which neither intellect nor study suffices.