I do not disagree, as I think the introduction of the iPhone had a huge influence over consumer electronic products.
But....
Why not? This has never stopped Apple from being able to differentiate their products from the competition before.
Copying electronics designs and features didn't start with the iPhone, and has been going on for a long time.
MS Windows has been chasing Apple's Mac OS design and feature for decades, I remember when Windows 95 was launched, many of the new features that were touted were features that Mac OS was already doing.
After the iMac, the market was flooded with all-in-ones that borrowed features from Apple's design(and their re-designs).
Many models of the Sony Vaio could almost be considered an MacBook clone.
After the iPod, every consumer electronic company tried to imitate it. Many had features that the iPod lacked, such as the Zune:
That was just a few examples, but even with all the copying going on, Apple was still able to clearly differentiate themselves and offer a premium product that was superior to what the competition offered.
Apple didn't have the marketshare, but there was a significant gap in quality relative to the competition that some people would pay the premium price to be able to experience it. As Apple's popularity increased, it appears that the quality gap, relative to the competition, has decreased.