money is, as always, the driving factor. That's why it fits perfectly in the Piss and Moan.
But they get torn apart by wind, burn very easily and quickly, rot, get eaten by Termites, create and support mold easily, don't insulate worth a fuck and use up a lot of natural resources (According to the National Association of Home Builders (NAHB) study, an estimated 8,000 lbs of waste is created from the construction of a 2,000 square foot home. The majority of the 8,000 is wood, cardboard, and drywall. Almost all of that waste ends up in landfills. )