I'm not at all sure why you would think that is satire. If you're his target audience (people who build web-based software), that 45 minute video is quite valuable. Keep in mind, this is someone who does consulting on just that topic, at a good price, so getting his opinion on this topic for 45 minutes is valuable.
I have no idea who this person is. I just know that his article basically says, sign up for my mailing list and I will give you a free video that will tell you how to earn $10,000 for just two hours of work. Maybe it's completely legitimate, I don't know, but it certainly appears to be one step removed from "housewife earns $500/hour from home!" ads.
If you think "sign up for my mailing list and I will give you a free video that will tell you how to earn $10,000 for just two hours of work" is the one sentence summary, then I'd say you really missed the message. His own email list is certainly more a side note and one example, than anything to do with the point of the article.
To regular HN readers, he's known. As he mentions in the article, he appears here frequently as a commenter. Generally, anything he writes ends up on the homepage of HN. He's one of the more respected members of the HN community.