"Retired" doesn't mean "dislikes almost free money."
"More recently, even my hobby of writing the blog has started producing some cash, which I hope to reinvest and snowball into a big charitable operation as well as funding interesting projects related to the blog."
I am retired, and I code on the side, for which I get money, which I use to finance charitable giving and interesting related projects.
I am glad that about half of HN doesn't fall for this guy's Rich Dad Poor Dad schtick. The other half, though...