Unlike the impression you get from the article, necessity is the master planner behind the redeemed camp.
Imagine schools needed a routine get together in a single location. Small charter schools will be served by small headquarters.
Virtually every church has yearly get togethers - conventions.
However, the redeemed church has the largest number of branches in the country. Hence...
Their current location was bought decades ago for dirt cheap because of its remote location and a den of robbers and kidnappers (I'm self-censoring here).
It looks like the buildings sprang up effortlessly but the author of the article has no idea the place was once filled with thousands of canopies.
The article's a fluff piece.
Replace the article with a story about the size of Amazon, Facebook or Google without the historical context and you'll get a similar article.