EDIT: nice to see all the luddites downvoting me. Guess the meme is true -- we still are early.
I recommend reading Extraordinary Popular Delusions and the Madness of Crowds published originally in 1841 [2].
[1] https://en.wikipedia.org/wiki/South_Sea_Company
[2] https://www.amazon.com/Extraordinary-Popular-Delusions-Madne...
There is something about a useless or immoral business that often excites greed beyond what anything beneficial to society can.
EDIT: nice to see all the luddites downvoting me. Guess the meme is true -- we still are early.