People invest money to make a profit, so it is not surprising that some investors are unhappy with the development of the project or the first exchange on which the token appeared. In addition, there are many scammers at the moment, and there are always reasons for concern and danger.
Usually others main goal of some investors is to earn quick profit, but they did not think clearly that a projects need time for development. Easy for them to judge projects indeed but lets take a note some doesnt want to lose money of what they invested for. There are good projects and we cannot hold it too long in our wallet that we cannot enjoy the profit that we must have. So many scam literally, however some investors judge easily the project due to other project ended up losing value and they learned a lesson from it.