It's confirmation bias
The iPhone is, by a wide margin, the single best-selling individual handset. So the threshold for reporting faults is quit low — each fault, even if extremely minor, will affect a large number of people. Apple compound the problem with their holier-than-thou approach to product launches and to marketing; that would increase the newsworthiness of faults even if nobody was buying the products.
Conversely, each individual variety of Android handset and each model of BlackBerry phone has a relatively small audience. So a fault has to be pretty critical for it to be worth reporting.
That's why in the last few weeks, similar prominence has been afforded to the stories that (i) large swathes of BlackBerry users are provably cut off from being able to text, surf or email; and (ii) some subset of 4S buyers anecdotally report that the battery life feels a little short.
If you already hold the conclusion that Apple's software is crap then stories like this look like confirmation. However the reality is that flaws like this on the iPhone are newsworthy whereas flaws like this on, say, a specific Motorola handset wouldn't be.
Every single relevant consumer satisfaction and/or device durability survey that has been published since the iPhone came out puts the iPhone amongst the top tier of handsets, at least equal with the top-rated devices from Samsung, Motorola, BlackBerry and anyone else you want to compare to.
I'd therefore suggest that the overwhelming weight of evidence is either that Apple's software isn't crap or that all handset software is equally crap.