Kiryas Joel functions to some extent in a model much like the charedim in Israel, relying on the outside world to provide necessary economic infrastructure and support. The most relevant example paragraphs in that article are:

.Because the community typically votes as a bloc, it wields disproportionate political influence, which enables it to meet those challenges creatively. A luxurious 60-bed postnatal maternal care center was built with $10 million in state and federal grants

and

Most children attend religious schools, but transportation and textbooks are publicly financed. Several hundred handicapped students are educated by the village’s own public school district, which, because virtually all the students are poor and disabled, is eligible for sizable state and federal government grants.

I'm not sure their happiness is terribly relevant, even if they are happy, it is a deeply unsustainable situation.

I'm not sure that this is at all similar to Hanson's hypothetical. In his hypothetical the uploads don't have any rights or recourse. Here the people have political pull. The situation for uploads could be much worse.