The article is about developing a stable balance between family, work and side projects- how does monthly visits to your son create as a good balance? It sounds more like a temporarily tolerated situation rather than something feasible (or desireable) long term.
Because I have lived here over the years (before I met my gf and got my son) and have large parts of my friends here.
Because my gf have a job she really loves and didn't want to move with me right away (but maybe later)
Because sometimes you have to think strategic about your families future. (of course with the danger of destroying the very family you are trying to create)