In 2015, Bill James said, “My view on the world is we have an ocean of ignorance and a small island of knowledge.” He wasn’t speaking specifically about baseball, but the observation applies, even to one of the most obsessively chronicled and comprehensively quantified human hobbies. “I feel like, yeah, our island is one hundred times bigger than it used to be,” Fast says. “But does that make the ocean that much smaller?”

