“Like a gambler” actually means “not a gambler”. People who engage in high leverage trading in financial derivatives are also like gamblers, but they are not gamblers, which is perfectly legal. You can't say that something is illegal or unethical because its value fluctuates a lot. In the case of the most stable block trade sector, the price of copper nearly doubled in the first half of 2021, and if an investor took more than 10 times leverage, he also increased his wealth 20 times. Woul...