Spin, ladies and gentlemen, involves taking a set of information, and shining it through a lens that emphasizes aspects that suit your agenda, and/or deemphasizing aspects that contradict it. It's never telling the whole picture, and instead only telling things that suit your image, the message you're trying to spread and the impression you're trying to make. It is NOT lying.
WhiteEagle posted in the OTHER thread that it would be 'good and fair' to simply compare lifetime sales of the Wii U vs the PS4 in Japan. This isn't true, this is actually spin as well; the full set of data, the 'good and fair' comparison, would be the total sales of both products, their overall performance in hardware, software, a wide-angle look.
Picking any form of filter- "ONLY Japan sales!" "Only sales this year!" "Let's only talk about software sales!" "Let's give a percentage boost as a number but not talk about how many units we ACTUALLY sold!"- is, if spoken either by the company or someone who 'supports' them, spin, because technically, you aren't lying, but you're sure as heck omitting some pertinent details, and trying to create a positive (or negative, depending on the intent) image that might not actually exist outside your self-created bubble.
So, is the spin Sony did any more evil than the spin many companies partake in? No. The Wii released at around the same time as the PS3, (Unless someone would like to claim about three weeks is a monumental gap,) so the fact that it fell out of the race in Japan earlier is more Nintendo's concern than Sony's. In addition, there is a fair chance that the fact that the PS3 is still a viable purchase in Japan is limiting PS4 sales, (cheaper console, bigger library than its successor, Japanese devs more eager to stay on the one with the bigger install base, etc,) whereas the Wii U has no such limitation. Of course, there's no way to know how much of an impact this would have since, again, Nintendo ditched the 7th gen early.
Sony's approach is, however, a much clumsier spin, as it is forced to bend backwards a bit more than one really should, to bring up a positive, which actually serves to make one look even more vulnerable. Personally, in their position I just would have stuck to global numbers for the Wii U and PS4, as lifetime figures make the PS4 look good, and the 2014 figures make the PS4 look VERY good compared to the Wii U. This more roundabout approach was probably taken because Sony wanted to try and reinforce the 'We're still a Japanese brand, damnit!' image, so found whatever spin angle would let them focus on Japan.
Again, though, a bit clumsy.
(To nip this in the bud, for the love of Jebas, no, the 10 million sales announcement was NOT spun. They were VERY specific, left no wiggle room, etc, etc, literally went out of their way to keep people from thinking it might have been spin. Again, spinning is NOT lying, and if Sony hadn't sold ten million, then the announcement would have been a lie, not spin.)
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Unless He Forgets In Which Case Zanten, Forgetter Of The Things
Or He Procrascinates, In Which Case Zanten, Doer Of The Things Later
Or It Involves Moving Furniture, in Which Case Zanten, F*** You.