Got you, I think the article made it clear that this solution did in fact not take months of work, as the heavy lifting is done by pandoc. The resulting solution is also very simple and can be understood completely in a short amount of time (very big upside). A framework based on node, typescript, npm etc. is by humongous by default.
But whenever he says something dumb his supporters assure you that he is speaking in superlatives and you are stupid for thinking he would actually do what he says. Turns out he really does do what he says he will do, who would have thunk…