In many areas it’s hard to transfer knowledge between people and the important parts of the knowledge can’t be written down in a scientific paper. The knowledge about how to become a really great programmer isn’t written down in scientific papers in a way where someone who wants to become a really great programmer can read the papers and then be a really great programmer.
In those it’s easy to do original work because most people who have a lot of knowledge got there through original work.
In many areas it’s hard to transfer knowledge between people and the important parts of the knowledge can’t be written down in a scientific paper. The knowledge about how to become a really great programmer isn’t written down in scientific papers in a way where someone who wants to become a really great programmer can read the papers and then be a really great programmer.
In those it’s easy to do original work because most people who have a lot of knowledge got there through original work.