All Traders has a big knowledge regards in trade they never expected to win in trade cause they know that in market the cryptocurrency in trade is Volatile and everybody know that in trading is unexpected wetheir we lose or win.
Some newbie in trade and they have not enough knowledge regards in trading after that they take a risk an they just lose, all they will say that trading is a scam ,fake, not reliable, and not Good to trade. That's why they lost their faith about trading . That's why some traders here give some advice on how to trade or before you trade we must learn how to enter in trading.
The crypto currency volatility that do make some expert to make profit from their trading on a daily basis. Please we should not expect crypto currency market to be stagnant or move in just one direction which will never happen in time to come. Trading crypto currency can't be regards as a scam or whatever because is it lack of the basics knowledge that do make people think that way.