As in any high performance activity, there are only so many individuals out of 100 that are willing to do what it takes to be successful. And as in any high performance activity... even doing what it takes does not guarantee you immediate success or even eventual success in that matter. The key is longevity, perseverance, persistence...at a high pace, at a high level, with high stakes - the opportunity cost of having been able to do something else through all that time, to have been able to direct your focus and energy elsewhere, where they would have been rewarded faster and with relative ease. The playing field is counter intuitive as well - you don't get immediate positive or negative feedback for your actions as a system, a process, a continuous behavior - time must pass... It's just a very hard game with easy access, deceptively easy to do but extremely hard to get positive results out of for a prolonged period of time. The odds are just against you. That combined with lack of faith in oneself and the ability to overcome the odds makes it even harder and less possible to achieve for even more people. : ) Other than that - it can be done, there are examples, if one can do it, someone else can replicate it.