> But you could still get credit and financial compensation.

Sure, but that doesn't make up for the loss of the primary reason for writing the material in the first place.

> Mathematicians write proofs that only a few people read in full and understand. And yet, they are fine with that.

As I said in another comment (before I saw this), that sort of writing is very different, with different motivations and target audiences, than writing something like a novel. Apples and oranges.