The reason that you give is also very reasonable, although bitcoin has made a profit for many people but it also took away the property of many people, it is people who panic selling and trade bitcoin with low understanding and no plan, jealousy is a sure thing when others are happy to make money while they are constantly losing. They just wish bitcoin would soon collapse to laugh at people like us, in addition, some people may be government, bitcoin has an impact on the economy and cause social imbalance, and the government can not do anything,