Haveing worked in professional scientific and engineering offices for the last 30 years all I can say is that this is a pitiful example of BS, No office doing meaningfull technical work will countenance using iOS products in place of a PC.
The total cost of ownership is very high, especially as the trend is to use non-removeable battery designs thereby preventing cost effective battery replacement, which is very cynical as current battery technology does fail, just speak to any IT professional who will deal with hundreds of devices not the one or two is a SOHO situation, typical seen from my companies corporate IT department shows lifespans are of the order of ~3 years for laptop battery (as they get more intensive use that home users) Most organisaitons keep their laptops for 4-5 years and as for desktops up to 6-8 years as they tend to filter older models to less demanding roles as they replace them with new ones and then often recycle them with external recyled pc suppliers.
So on that basis alone the TCO on these devices will be excessive as these things are as expensive as a low end laptop. Also you cannot simply hand them back they must be securely wiped to adhere to Client security requirements.
And now the elephant in the room... performance, so according to this BS a low spec ARM processor with a maxium of 4GB low power RAM and a low power draw SDcard is quivalent to a corporate machine eg Dell Precision T7600 and HP worsktations ...laughable! No one in any engineering/scientific field will touch these with a barge pole. Even HR use i5 based Dells & HPs.. if you compare ARM cpu performance on CPUBoss youll see that an ARM based cpu has the tpicallly performance of a AMD64... wow definitely a good choice.
....And dont get me started on the programs..well Apps as they are completley functionally retarded, just compare MS Office to that on IOS and Android.
...And what about network connectivity, corporates use gigbit ethernet... no way will wifi do, I know we tried using a corporate wireless connection to another site, still has drop outs regularly!
So home users only then...and before you say but well they are the biggest user... again BS, everyone has to work and at work they use.... proper computers, even Point of Sale are a computer and do you seriously think that a supermarket will install a phone as a cash register or how about a bank teller or ATM, or what about at the hospital a phone running the medical records access point, or checkin/out the list goes on.
The problem is that most journalists work with journalists & PR and Marketing people these could use a phone as their work is less techical (I mean compared to the swathes of people in aeropace/automotive/marine/civil engineering (there are over 1 million in the uk alone in direct and indirect ones and this ignores the scientific areas, e.g. polymer industry (tyre design, paint formulation, plastics (as used to encase your phone & laptop), pharmaceuticals, Physics, Chemical R&D and production,Petrochemicals, meteorogy, medical R&D, Financial services (forecasting requires numerical modeling) in fact anything that is not only sales and marketing will need a real computer for decades to come....
So please stop this perennial BS about the death of the computer!