This article seems to miss that a number of people use groups on social media to organize activities in real life and keep in touch with family, and the nontech

This article seems to miss that a number of people use groups on social media to organize activities in real life and keep in touch with family, and the nontechnical friends and family aren't up to the task of building their own solutions for this. For these uses it isn't a substitute for a fulfilling life but rather a help. And unfortunately network effects often mean that the only effective option is to use a service that most people are on.