A rather stretched poetic usage of Schwarzschild radius, and it seems the author simply stumbled away from the denotational meaning. Nonetheless the metaphor w

A rather stretched poetic usage of Schwarzschild radius, and it seems the author simply stumbled away from the denotational meaning. Nonetheless the metaphor worked for me. I am unaware of a specific name for the concept that a larger rocket has diminishing returns because of the disproportionate addition of fuel weight. Like the article suggests, one has to wrestle with the payload requirements to get out of this trap.