It was more likely a lazy millennial sewer man, that just hangs out in the sewer waiting for handouts like discarded avocado toast and coffee
Had he just pulled himself out of the sewer by the bootstraps he could be a surface man that actually contributed to society!
You really think 1 month will be enough?
I'm resigning and stocking up enough food to where i won't have to leave my den for 5 months