This is not directly related to your central idea (which I see all around me, from phones at meetings, to people walking down the street oblivious to all around them)
Attention was the focus of a teaching/therapy strategy I trained in a number of years ago. The Nurtured Heart Approach is the work of Howard Glasser. The basis of it that an “relentless” attention or energy is given to whatever it is we want to develop. Be it in a child’s behavior, a relationship, whatever. Zero energy or attention is given to the negatives. That doesn’t mean they are ignored, there has to be an absolute clarity and consistency with limits. But just as in a soccer game when the ball goes out of bounds; the whistle blows, play stops and then goes on again.
I have worked this idea into my life with many missteps and misses. But it guides me in every classroom I visit, every meeting, every walk I take. My attention needs to be relentlessly focused on what is important and what I value.
The video below is a great take on the generation raised in this environment, though I sometimes see older people as just as self-absorbed and obsessed (addicted) as any young person. The saddest sight is a family dinner where every member is engaged in separate conversations and pursuits around the table. 3 and 4 generations lost in inner space with no connection to one another.