Of course, it's a myth, anybody can buy crypto currencies today and profit from their rise. It doesn't matter if you have 10 years’ experience or if you heard about cryptos the first time. Just because you are a newbie doesn't mean that you are only going to lose with your trades. Luck plays a big role in trading as well, like in gambling and when the sample size is very small the variance is going to be large. The difference between an experienced trader and a beginner becomes visible over time. A good trader knows how to react to changing market conditions, whereas the beginner will probably react too late or not at all. My recommendation for any new trader is to not overtrade, the motivation is high to trade many different coins. This will mostly likely only lead to losses because we have to pay a lot of transaction fees. It's better for beginners to hold their coins longer and let the price go up over time. As long as you are invested you are going to profit of the longterm upwards trend.