No, the article is wrong about the iPhone.
It's the Internet that killed bank tellers.
It's also not the iPhone given Europe is 60-70% Android
And you still need bank branches every now and then for various things. Still don't understand how various expansive bank branches are profitable.
Best way to get clicks without publishing something of substance is to publish something wrong. If the article was titled "The internet killed bank teller jobs", then people would think "duh" and no one would click on it.
Yeah cash and checks haven't been replaced by mobile banking or mobile payments. Credit and debit card use took over the payment market with digital wallet exploding in the last few years. Electronic transfers took over paying bills with paper checks. None of those need a smartphone or other personal computing.