Why is practice looked down on? A singer who has had lessons is less respected than someone who is self-taught. A dancer who was never coached gets our raised-eyebrow nod of approval, but the one who worked hard at it for years gets the dismissive comments like "Yes, she's good, but she's had lessons." We seem to prefer raw talent even over that same talent honed by rehearsal.
Mokalus of Borg
PS - I admit it's more impressive to be good at something without being taught.
PPS - But sometimes that gets carried a little further than it should.