Yeah, many such ideas only work once you're past a certain number of people, given e.g. the fraction of people who play ping pong, you need a lot of people to r

Yeah, many such ideas only work once you're past a certain number of people, given e.g. the fraction of people who play ping pong, you need a lot of people to reach the point where it's viable as a business. Cutting costs on the other side as described in this article is a great way to bring that threshold down though.