I'm not sure what you mean by "higher on the SES ladder" because the "young renters" in this case are Amazon employees with ridiculous disposable income. They

I'm not sure what you mean by "higher on the SES ladder" because the "young renters" in this case are Amazon employees with ridiculous disposable income. They are high on the SES ladder, it's the lower rungs that are getting priced out of the market.