Seemed legit until
- The new button has some link to the Wii Vitality Sensor
Even Nintendo isn't deluded enough to remind people that that things exists.
But yeah I wouldn't be surprised at all if the Wii U had Steam. Ever since their new retail strategy was revealed, I've been saying that it seems they are going in the direction of Steam for content delivery, and it will definitely give them the upper hand in the next gen if they do it well.