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.
It was the same with me, I entered the cryptocurrency through futures, saw enough videos and thought that everything was simple and without any analysis, I put sell orders, the first two transactions brought income, but the next transaction took my entire deposit, then I wanted everything send to hell, but still found the strength to analyze and learned from his mistakes.