Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint PPC6850SP)
The galling thing about the 2 gigs of RAM is that, everyone can see that it's absolutely easy for them to change to 4 gigs. There are no complications, no problems with availability, and no "change this and you have to change that" stuff involved.
As something intended as a quiet update, with no dvance announcement of a date, Jobs could have given the order at any time in early 2010. It could have been utterly painless, even in bean-counting terms: As soon as the factories ran out of 2 gigs parts, the next supplies sent in could've been the 4 gig RAMs. Then as soon as most of the old stock sold off, they could've swept the last few oldies into the refurb store, and Voila! the next Tuesday the AppleStore web site gets changed.
It is indisputable that there have been absolutely NO technical or supply problems preventing them from doing this.
Nor does it interfere with or get too close to any change that might be coming, next.
Low sales can be a self-justifying prophesy. A brilliant mid-century New Yorker travel writer Frimbo, who specialised in the deluxe trains of yore, once explained how this works, in that context. His example was how state regulators in N.Y. didn't want needed train lines discontinued. So the RR corps. would fiddle with the schedules to in effect, shake off customers. A 10 PM train might get shifted to 10:30. They'd deliberately depress ticket sales so they could show the regulators "Look, proof that demend for this line is falling." and thus eventually get permission to drop it.
The relatively low Air sales might (we don't know) be used to rationalise neglect of Apple's skimpiest spec'd laptop. But it's an interactive cycle... if they didn't neglect it (esp. the substandard RAM, and not offering a 256 SSD option)... it would HAVE higher sales.
The current Air's deal -- is not unlike buying one of those 1.4 or 1.6 four cylinder econo-box cars, knowing that by the time that tiny
engine is approaching 50,000 miles and is getting really weak, you're going to have to sell it.