What you expect the speaker to say?  "If you work with these indicators and build a large dataset, it's more probable you will make money than not"?  Or, if the speaker had told you the exact method, and it was working, would you tell us?   Expert traders rely on experience - and ML gains that experience trillions of times faster than we do. 

For someone to win, someone else has to lose.  If OG made 2,600BTC and no one else lost that coin - it would have indicated he was in finance sector and knew what he was doing.  But he lost 99% of funds, and still claims everyone lost money, which of course cannot be true.

As someone who is very interested in ML/AI and understands the potential, I will tell you there is no way to make money doing this.   And I will urge you to stick to scams involving centralized editable spreadsheets and promises without proof.   Leave the efficient profits to the professionals.