Because it doesn't have any power.
[spoiler]Wii U is Supergirl(cousin to the more powerful Superman)
PS4 is Superman(pretty well rounded but not quite the most powerful ever, the majorities favorite)
PC is the Flash(has everything, strength, speed and is loved by everyone)[/spoiler]
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I'm gonna cut you so bad you're gonna wish I didn't cut you so bad. Stop with this nonsense already lol