As a trader you only have like 10% of winning trades and the 90% is lost trade. so you really need to be educated about trading to give you a better understanding on trading which means you can actually give the percentage higher in trading.
I don't think so man, I won 70% trades in my history, only lose 30% and the percents of winning or losing is depend on how good is your decision . It's not gambling.
he just suggest to get more technique or methode in his trading.so by learning this technique can make win possibility bigger than lose possibility.all of us now that trading is not gambling as long as we now how to trade