He even says at one point, "Spoiler alert: there is virtually no difference in the mechanics of work done between $100 an hour, $200 an hour, and $30k a week — all of the leveling up there is in sophistication on who you go after, what engagements you propose and deliver, and how you package things for clients." which would lead me to believe that he's just charging $30k a week, just as he would charge $100/hour.
I think people need to just take this stuff with a grain of salt. i have worked with quite a few large companies over the years and I don't believe any of them would pay $30k a week for: "I combined a modest amount of programming skill (typically Rails, Ruby, and Javascript) with substantial experience with using engineering skills to move marketing/sales levers, including by doing SEO, email marketing, A/B testing, (light) UX design (typically around high-value parts of a SaaS business like signup flows or purchasing pathways), etc. I turned down essentially any gig which was strictly engineering in character and rather aggressively went after bigger projects which were “closer to the money” every couple of months.". That said, I could very easily see a company hiring someone for a $30k contract to do those things, the weekly rate just seems extremely misleading to people that are struggling to charge even $100/hr (which is not a bad rate by any means).