I suspect "submarine" was meant in this sense: https://www.paulgraham.com/submarine.html https://www.paulgraham.com/submarine.html Note well: This does not me

I suspect "submarine" was meant in this sense: https://www.paulgraham.com/submarine.html https://www.paulgraham.com/submarine.html Note well: This does not mean that I agree with any part of what he said. Just explaining the term.