What is the *real* reason for the global economic crisis?

I think you are over thinking it.

People spend more than they can repay.
These same types are elected to office.
In the name of the people they continue to spend more than the people can repay.

Bubble

It is really simple. The debt based money system. Net production should equal a net increase in the money supply. Instead every increase in the money supply is met with an increase in debt. Since debt carries an additional cost, each new unit of currency printed actually shrinks the net money supply. It is a mathematical impossibility for things to get better for the whole under a debt based money system. All the other problems stem from this one. You can't fix them until you fix the money system.

Peak Oil drives the whole show