It's weird, isn't it? Maybe it's his dayjob in some way. I'm not saying he'd accept money to do something, but surely there are companies who would want to hire a consultant for advice on how to moderate their social media - even if it had nothing to do with Reddit. There's tons of people who could throw ideas around, but you'd want someone with some kind of track record or some way to show they aren't just some schmuck who wastes all their time with the inane way we usually use social media.

Like if you want to know how to manage a major youtube channel, PewDiePie would be a good guy to ask. Hank Green may be better, as he was a founder of one of the Patreon competitors IIRC (his might have launched before Patreon; but anyway his company was sold to Patreon and it's always a shot in the dark what kind of business model will work best for something so new). Or to manage a company built around a YouTube channel with their own advertisers, that's LinusTechTip's thing.

I can't imagine actually working a full-time job while doing anything to justify being so prolific.