It's only early, but have they been wasted?
Don't get me wrong though, I like a dance here and there.
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My main concern with the D-pad in the E3 demo is that it would be far more useful if it was used to switch guns, I only say this because we will have 3 guns equipped at once and hitting a button to cycle through to that third gun could be somewhat annoying in intense situations. That being said if it remained the same it wouldn't be that big of a deal.