It can be, but I wouldn't expect the average person to be able to pick up on that kind of thing-and the majority of famous authors have simply been average, though I wouldn't be surprised if several of them turned out to be exceptions.
[was William Shakespeare some kind of wizard? he just doesn't know, but the answer is "yes."]
[video]
[was William Shakespeare some kind of wizard? he just doesn't know, but the answer is "yes."]