This is a super dense neighborhood in Shenzhen that has a massive, CO2 spewing highway driven through the center of it. How are you supposed to cross the highway? Why is there a highway here? Why are we still building highways despite climate change?
Go to a public golf course on a nice Saturday. See how many people are there and how many of them are rich twats.
It's not a question of maximizing exercise potential per square foot, anyway. You don't want to be wasteful, but recreation does not need to be as economical as possible.