Even crypto trading experts cannot make everybody to win or earn big profits from their crypto trading at the same time because, for some traders to wait till the real bull to show up in the market, it will make them to feel they are about to miss the opportunity and it can lead them to loose no matter what you do to help such trader.
Even themselves sometimes lose and that's a real thing.
So for one to make the others win, they need to be consistent first with their trades before teaching. But what we're seeing in social medias having these trading gurus.
All they teach you is about the basics and strategies that are based on paper and they don't really execute the trade. While it's a good thing that many learns from them but sometimes, many of them goes to the point that they don't admit their failures or failed trades.