Earlier quoted context omitted.
I don't know, reading? Building something? Exploring the natural world? Sports? Not to say that all video games are unsubstantive. But the substance in exploring virtual world comes from its uniqueness, not playing de_dust2 for 1000 hours. No other form of entertainment or art is analogous to video games in terms of the maximum time you can spend on it with totally depreciating returns.
Playing de_dust2 for 1000 hours is as reductive as saying playing on a soccer pitch for 1000 hours. And soccer only has 1 map.
Oh that is gold, that's a special kind of "far gone" - to measure real world things by how many "maps" they have