JBI claimed that a well-read reader with strong literary training will be able to notice (and therefore) enjoy things in literature that others might miss. These "things" are real and physical. A sprung rhythm in Hopkins, the use of Terza rima in Dante as a reflection of the Trinity - these are very real, tangible effects that can be discussed and looked at. A reader with strong literary training has something else to enjoy in Hamlet's soliloquy's than just the pathos of his speech - we can look at allusion, metre, recurring metaphor, etc. all of these being physical things.
So aside from the "utilitarian" effects - how does a doctor examining and diagnosing tuberculous differ from a literary critic examining and analyzing a spondee in a line of blank verse?

