You should look into the world outside the US.

The iPhone is far from being essential. There are countries where you can’t take part in the electronic economy without WhatsApp. The iPhone is nowhere near that essential in the US.
The first Nokia cell phone was in 1987. The iPhone was in 2007. That was 20 years of Nokia becoming the largest cell phone company in the world. In 2004/2005, the iPhone hadn’t even started to be a thing, so let’s say 18 years. It’s been 15 since the iPhone and there are governments focused on removing the type of profit sharing that ensures that the next company is able to actually obtain the revenue to thrive and grow. With the number of companies and people that appear to be fed up with the status quo, there’s WAS ample opportunity for another company to begin work in another 3-5 years to create the next big thing. At this point, anyone that
might have been incentivized to try, won’t be any longer.
I’m sure you’ll find articles making similar statements when there were rumors of the iPhone.

Looking at what existed at the time, seeing that as “all that is possible” and proclaiming that no one else can attain it, much less go beyond into areas not even conceived at the time. Another shift IS coming. And, if Apple and Google are sitting at the forefront of that? It’ll be because other companies that COULD have jumped forward were heavily disincentivized to do so. If the broader goal is maintaining the Apple/Google preeminence, they’re doing a good job!