it's a tradeoff. Which is better, saying "here's how to make a better fishing rod, but I get to be the only one to make it for 20 years" or "I know how to make

it's a tradeoff. Which is better, saying "here's how to make a better fishing rod, but I get to be the only one to make it for 20 years" or "I know how to make a better fishing rod, but I'm not going to tell anyone else, this knowledge may be lost at any point, and I'm going to be the only one making them for the next 50 years."