I think you understand what it is saying. It's an incomplete picture, however.
There is loss involved in sharing ideas. That's why we have patents, to advance the knowledge of mankind by sharing inventions, but also to allow the inventor to prosper from his invention.
It does no one any good if I invest in developing a great new widget and then others copy my idea and run me out of business. I pay for the R&D and get no profit.
Student or Learner