I thought of “people who have enough time to exercise because they don’t have to work multiple jobs in an attempt to scrape together enough to make ends meet”.

And alternatively again, you need to have lower anger and anxiety to engage in excercise!

I'm sure all of this is an inseparable mess.

But it doesn't affect the recommendation does it? Everyone should aim to be physically fit and that involves engaging in cardiorespiratory exercise.

Which introduces variables such as: "believes in righteous anger"