At least Salinger could write a coherent narrative. You may not like his content but he was a decent writer.
Ever read Dubliners? Joyce could tell stories coherently when he wanted to.
They are all decent writers. The educational system of their times made sure of that, unlike today’s college grads that can’t write a complete sentence, or read ‘cursive’. It’s the subject matter that they chose to write about that is difficult to read.....................