Absolutely. But it is his actual full time job. I think an interesting signal is when people who (#) are not paid still spend an enormous amount of time on a "thing". That's either you have found weirdos, or found some level of market fit - gold flakes in the river bed if you like.
(#) I am assuming all the people with really high submission rates are not HN moderators or otherwise employed / encouraged.
(#) I am assuming all the people with really high submission rates are not HN moderators or otherwise employed / encouraged.