It wasn’t the stars, or geology. It wasn’t ocean currents, or the weather. The world economy was brought crashing down in 2008 by the particular way we have allowed it to be organised.
It was brought down by being organised around the priority of maximum competitive greed and gain of a small exploiting minority.
From the early 1980s to 2008, world capitalism became more and more governed by the drive for quick, fluid gains, measured and coordinated through an increasingly complex and fast-flowing system of world financial markets.