I'm as big an Apple fan as anybody, but let's get a few "what ifs" right...
AT&T issuing information likely to affect their stock price is not going to hide positive information. If more phones had been activated in that weekend, they would have announced that.
iPhones purchased at Apple stores still have to be activated through AT&T to be fully functional. So, we're not seeing just phone activations for phone purchased at AT&T stores, we're seeing ALL activations whether they were purchased at AT&T or Apple Stores (or from a guy trying to scalp one on the street). Any and all activations for those 2 days are in the 146K number
In spite of this "bad" news, Apple stock is only down about $4.40/share as I write this. These days it can rise or fall that much without this kind of news. Welcome to tech stock volatility.
And a few other observations:
The scalpers market never materialized. Go check "completed" ebay auctions and you'll be lucky to find any auctions that came in much above retail. In a scarcity (demand exceeded supply) scenario, there would be stories of people paying $2K for an iphone. That hasn't happened. So, either Apple took an educated strategic gamble and manufactured so many iphones that they've generally been able to match demand, OR demand fell short of supply. Note that you can go to Apple.com right now and see that almost all stores are pretty-well stocked with iphones not even 1 month after release. Is that a sign of weaker demand or an abundant supply?
Did Apple sell perhaps a lot more iphones that first weekend than 146K? It's probably safe to say yes with some confidence. The magic question is exactly how many. I would guess that the majority of people that stood in lines/camped out to buy one, probably did try to activate their new toy at the earliest possible opportunity. Its hard for me to imagine many people buying the "most significant new product launch in 30 years" and then setting it on a desk or something and waiting for a few days to try to actually use it.
The non-activating crowd might be the would-be scalpers, who discovered that they couldn't ebay their way to iphone profit success, along with a few people that had the patience to own an iphone but not activate it for a few days, and the gift-giving crowd (also with patience). How big was this group of 1st weekend buyers? Maybe when Apple reports, we'll get a clearer picture.