There's definitely a scam element when the thing that they're selling is a "How to make money doing X". Less so if X is recursive like this, or the original art

There's definitely a scam element when the thing that they're selling is a "How to make money doing X". Less so if X is recursive like this, or the original article here. If there's a magic money fountain and someone is selling info on how to get it, rather than exploiting it for all it's worth, selling the info is the magic money fountain they've found. And the money is supposed to come from you.