No one is saying that is all you can reach, no one can tell you what YOU will reach. But what most don't have is realistic expectations. Is 600% a year realistic? Plug those same numbers in with 600%, you will own the world in short order
Why do you think those courses advertise that, what would draw more people.
You can make 600%!!!
or
Well trading is a tough business and one needs to have realistic expectations.
Best
Mike