Without luck, you will not get to the level of Messi. Without knowledge, you will not get to the level of Messi. Without living in the right environment, you will not get to the level of Messi.
The "natural ability" thing is just a spin on the same idea. Work hard to recognize your natural ability. Be realistic about it. In that view, natural ability is not a matter of luck. It is still a story about doing the right things so that you deserve all the credit if you are successful, and more importantly, so that you can blame those that didn't.
The issue is that you can't know if you meet the other requirements, so it's easy to think "I'll get lucky by just being persistent" and you never go anywhere.
Without hard work, even lucky Messi would be a nobody.
The ability to do hard work is a worthy personal goal. Not for the sake of a job per say, but for the sake of one's own well-being. You seem to be seeing this exclusively through the lens of predatory capitalism, which might blind you to any valuable insights here.
The "natural ability" thing is just a spin on the same idea. Work hard to recognize your natural ability. Be realistic about it. In that view, natural ability is not a matter of luck. It is still a story about doing the right things so that you deserve all the credit if you are successful, and more importantly, so that you can blame those that didn't.