It's word salad contrariness and I'm giving up on links pointing into this source, they're very predictable.
(Not a gamer btw)
To focus on and dismantle his points, play is important. We can't all spend all day curing cancer and fixing big problems. Play is how people exercise our intellect when we are burnt out or just need a break from our big problems. Play is a major factor in how people generate new ideas.
EDIT - Nope, I looked at his other stuff and he problematic and completely absent of empathy on many levels. He employs logical fallacies all over and seems to enjoy victim blaming.
Hiding this bullshit