Earlier quoted context omitted.
And gain experience
In every field where competence can be objectively measured, experience does not endlessly correlate with competence. There's always a growth phase but then there's a bell curve of age vs competence, that reaches a peak and then there's a constant decline from there. So for instance chess is primarily a mental game, yet the decline comes as early as one's mid thirties for world class players. I'm fully willing to acc…
A bell curve tracks the distribution of a single random variable. You're mixing statistical metaphors.