Are you honestly saying that this (neat) art piece, which is of carefully curated shots taken over months, is general proof that phones are some fundamentally different mode of isolation, compared to any other tool that humans have had?
The second noteworthy distinction is phones' ability to solve many different problems as well as provide many different willful distractions in a very accessible manner. A tool that can be both productive and entertaining requires a higher amount of willpower to use productively without succumbing to the desire to use it for entertainment.
Some of the most productive coding I've done has been in places where there was no internet to temp me with distractions.