Users become very important to make crypto last forever, if users get profit then they will continue to be users but if there is a loss then they will never again use cryptocurrency.
For the survival of any business or market, it is important to make a great number of consumers. If there are no customers, who is going to buy products and how the market is going to survive. Same is the phenomena with bitcoin rather overall cryptomarket. As long as people are investing into virtual currencies and making money, till then the market is going to have charm. Customers are essential part of every system.