Some of this, such as fear of the unknown/ unfamiliar, does ring true, but the argument is overstated. For ex., “ We should not ‘feel sorry’ for the couple on a date who are looking at their phones. For all we know, their phones are providing a different, more constructive outlet to focus their attention instead of allowing for arguments or an awkward silences.” But maybe they should have that argument or make an effort to bridge the “awkward silence”; devices used this way are a means to laziness.
The same goes for the effect of technology on the socialisation of children: yes, the ability to make friends online and overcome isolation is valuable, but their ability to make and sustain conversations IRL is being stunted, as well. I know this all too well because I teach first- and second-year university students who, rather than making an effort to engage in class discussion, would rather text or be on social-networking sites. It is not my job, or anyone else’s, to compete with these distractions, whether in class or at the dinner table.