For the Saudi ruling class, the decline in the price of oil is a big deal. It has dropped from $140 per barrel to $44 per barrel. Even though it only costs them $10 per barrel to produce the oil, the poor ruling class is suffering terribly. After all, it needs at least 80 barrels to sustain their lifestyle, according to this article in Portside. Here is an example of how wealth cannot buy economic immunity from the chaos of a capitalist casino.