My friend Florence Chee, who does smart-people theory about communications, mentioned on her twitter feed that there’s buzz in the air again about South Korea’s slow, loping movement toward a gaming curfew. The article she linked notes that it’s not just “extreme cases” (of the same kind that were routinely used to demonize Dungeons & Dragons back in the 1980s — guys kills his mom for being scolded to stop playing and then kills himself, for example) that justify the move, but also the more moderate example of kids who simply play all night, and therefore can’t concentrate when they …