Walter Isaacson wrote that Steve Jobs' favorite words were "revolutionary" and "incredible;" it seems unlikely that Tim Cook uses these with any frequency. And because of that, Apple is no longer Picasso, or Dylan, or Jobs.
In an overwhelmingly conceptual era, in which nearly all the arts are dominated by precious young geniuses showing off their technical virtuosity and theoretical sophistication, Seamus Heaney was a great experimental old master.
T.S. Eliot was the quintessential conceptual young genius. The extended and gradual growth of the experimental Shakespeare was clearly puzzling, and perhaps uncomfortable, to the conceptual Eliot, whose own life cycle of creativity was so different.
Few, if any, domains, and certainly none in the arts, have a single, fixed set of rules and practices, that are accepted and followed by all practitioners. Instead, many if not most disciplines simultaneously have several different sets of rules.