While I also disagree with the post, my take on it was it is more a critique of the increasing hyperspecialization of mathematical problems. Of course the number of mathematical problems is endless, but I also feel that they are becoming more and more inaccessible.
In my current university (and others) undergraduate math students do not even have to write a thesis anymore because of the number of people who came at the end without any new results to show. Instead, to obtain their degree they are tasked with things like rewriting existing papers into chapters for lecture notes (what the author suggests). For graduate students theses are still a thing but the situation is not much better. Talking to my peers I got the impression that many (but not all of course) in their theses are either generalizing something they themselves already tought was too general or are overanalyzing an obscure problem using tools that can only be found in maze of unreadable papers.
I'm not saying that papers should be easy, but if even most graduate students can't read the research material there is probably an underlying problem.
In my current university (and others) undergraduate math students do not even have to write a thesis anymore because of the number of people who came at the end without any new results to show. Instead, to obtain their degree they are tasked with things like rewriting existing papers into chapters for lecture notes (what the author suggests). For graduate students theses are still a thing but the situation is not much better. Talking to my peers I got the impression that many (but not all of course) in their theses are either generalizing something they themselves already tought was too general or are overanalyzing an obscure problem using tools that can only be found in maze of unreadable papers.
I'm not saying that papers should be easy, but if even most graduate students can't read the research material there is probably an underlying problem.