People do not believe in crypto currency. They say that crypto is not fixed. As fiat - gold. Where does the value of crypts come from? What do you tell people?
Firstly, each person has the right to his own point of view. Secondly, look at the market and you'll see that there's a grain of truth in their words! Now Fiat is the leader of this world, and cryptocurrencies are just instruments to earn it.