That's what the article is saying: even though the claim is made that the maximum size of a PDF is smaller than Germany, the author is creating one that is bigger.
Yeah, people (especially on linkedin) tend to take such BS rather seriously. Facebook said something about replacing engineers with AI, and gumroad said they won't hire anymore (but they don't need a lot of people anyway)
This might be a bit controversial, but all those fields he mentioned do have younger people learning how to do the work. Doctors spend 7 or more years doing doctor work under someone else's watch before they can strike out on their own.
That's what the article is saying: even though the claim is made that the maximum size of a PDF is smaller than Germany, the author is creating one that is bigger.