Earlier quoted context omitted.
Music is about discipline. "Talent" is more or less a multiplier, but is useless without discipline in the first place. Needing "talent" (to be very good at it) is a myth. You don't have to be the best in the world to be very good at something. There is no secret. It just takes time and work to get good at an instrument or producing. edit: clarity
I mostly agree with you, but with some changes (applies not just to music but any other field). Discipline is the multiplier on talent, not the other way round. "Talent" is most definitely not a myth - to take it to an egregious example, no amount of discipline would ever make me play center in the NBA or piano in Carnegie Hall. But... that's ok.
I don't see music as really competitive in that sense though because everyone has different tastes. Once you put in the time and work to learn to produce or play an instrument, it then comes down to creativity and networking really.