Lack of money is the main reason that some people stop doing their own business, as you know if you want to make money, you should give money. That is right the system is not as easy as expected, but money and knowledge play an important role in this world. On the other hand, the project which people already left can be a scam and it is so normal to stay away from such projects. There can be some people who want to make their own business like everybody and at the same time, they don't have enough knowledge about cryptocurrency.  From time to time they would lose their money and then decide to stop crypto project. Everybody has their own reason why they stop their crypto project. l just wanted to share some of them.