[bulltale]

At first thought I agreed with you. But then I realised, that is how many of those names started: they were the dominant brand for a while and thus became the household name. I hear many people refer to portable audio players as an iPod. I see no obvious difference for the iPhone, except that it has more competition.

This does not mean I agree.

[001sky]

Its also shorter to write/speak, than the generic & generally non-sensical altenative: "smartphone".