[roughly]

> If Jack Dorsey doesn't walk around alone past midnight, he's not absorbing the same risk quotient either.

Jack Dorsey is a weird motherfucker and a real outlier for this example. He used to walk to the Twitter office every day and generally looks and dresses like someone well outside his economic strata. I would not be surprised to find “midnight solo perambulations through the tenderloin” among his hobbies.