I think there are some valid points to be made about how people's socialising patterns are changing in the light of modern interactions with tech, but also about using US social habits as a proxy for everyone else's. I've rarely entertained people in my home even during my most sociable times, pubs, clubs and restaurants much more frequently figure in my calendar.
All that and the author of this article still needs to get out and touch grass.
All that and the author of this article still needs to get out and touch grass.