This was the next link from what you posted ....
Basically, it's based on content and who is watching it.
Her number is about $1,000 per million. Though I would be skeptical.
Blonde chick in yoga pants talking about how to make money on You Tube versus videos on Pyrate games. Math. (Sadly, one could make more selling cosplay merch ... when you say merch it sounds cooler.)
Plus, I would feel bad if everyone that might watch the Rants isn't running an ad blocker. Not that it would deprive you of a thousandth of a penny ... cuz ... they are nerds and one kinda needs an ad blocker.
That said, I would go with plumber, electrician, or HVAC installer if one wanted to make real money.