So, Chess and SC2 must be ok because (somewhere, sometime) there are people playing these games competitively and making money, while D&D and WOW are evil, at l

So, Chess and SC2 must be ok because (somewhere, sometime) there are people playing these games competitively and making money, while D&D and WOW are evil, at least doing more than 10hrs/week, because it's not done competitively and you don't get any reminders about it if/when you are a loser(?) This is the first media-neutral definition of games that are worth/aren't worth playing obsessively that I've seen, and it actually makes some sense.