That said, I agree that the wording is a bit harsh. An option called "Something else (please explain below)" would be more charming :)

Luckily, one is not forced to participate in, or even read, slashdot polls.

I think the two-marshmallow-kids succeeded because they generally did not waste their time as much (a one-marshmallow kid unable to contain his urge to program would probably also do well).
If it is not intelligence and not necessarily impulse control, then what? Think about the article heading:

IMO it is so completely dead-on I wonder if the author has realized it.
Any initiative, then, that discourages spending too much time on computer games or tv (e.g. something as simple as time-limit features) should be encouraged if you ask me (you didn't).
Adults who spend time on liquor, gambling, etc. is one thing. But right now very smart people are thinking very hard about how to make products (games, tv-shows etc.) that consume as much of a childs time as possible, and that is what I think is unhealthy, apparently more so for the poor.