There's also an argument that a some areas just don't really HAVE a pro league, so focusing on not making mistakes is plenty... This can be the case if a) every

There's also an argument that a some areas just don't really HAVE a pro league, so focusing on not making mistakes is plenty... This can be the case if a) everyone is a beginner, because the field is new, and/or the fundamentals aren't cleanly understood, or b) no one really cares enough to become a pro (perhaps because it's an area that isn't rewarded by available incentive structures).