When I made the comment about people relocating to the Sunbelt and taking their problems with them, I would say that most of these people moved by choice, not because they had to take a job there. They decided life would be "happier" in a place with endless summer and then found a job and moved. It would be fine for awhile, but then marital, children, emotional and social issues seemed to come out at about the 9 month to one year mark.
This is just an observation, as I especially saw it as a teacher, with kids moving in from other places. It takes work to integrate yourself into a community. I am a very social person and when I moved back to Massachusetts, it took a lot of work. Most people here stick with friends they've had for years and/or their families. It was worth it, though.
Making friends in AZ was easy, as everyone was new and mostly friendly. However, I have lived in a place I despised (Miami), so I understand the feeling of not fitting in.