There is a point, since there will be diminishing returns, but you miss the concept of complementary training. For instance, it is afaik hard to become a good

There is a point, since there will be diminishing returns, but you miss the concept of complementary training. For instance, it is afaik hard to become a good chess player without reading a bit about opening theory and reading about old matches. It is hard to become good at graphics programming without some math. And so on.