I'm looking forward to the author's next work, "Why it is (nearly) impossible that an infinite number of angels can dance on the head of a pin." I understand it

I'm looking forward to the author's next work, "Why it is (nearly) impossible that an infinite number of angels can dance on the head of a pin." I understand it's based on Cantor's diagonalization proof. I'm assuming this is a gag, I could be wrong.