Has it not dawned on you that after countless examples of fraud, speculation, scheming, and profiteering...that nothing ever changes, and no one learns? I would love for you to get dropped into the 1930s and go have a good time.
Yup - this is it. Society doesn't learn. It's not the same people. Look at banking/finance - over and over again we have similar crazy things happen, often about 20-30 years apart. The people who learned from the last one retired...