There are many ways to make money, but using money to make money is the most efficient way.
Finance is an industry that makes money with money, but finance and bubbles are like twin brothers. Where there are financial products, there are bubbles. In the eyes of ordinary people, bubbles are risks, so ordinary people always feel that finance is far away from them. For financial players, bubbles are opportunities. They will swim in bubbles and make huge profits from them.
If you let people who are good at making money...