Irrelevant Playbooks?

How is this cycle different? Let me count the ways. On second thought, let me not. Because "this time is different" are famously dangerous words when arranged exactly in that order. By extension, enumerating the ways in which this time is different could be an especially perilous exercise. Dry humor aside, there's a sneaking suspicion even among rally skeptics, pessimists, bears and so on, that sundry "playbooks" won't necessarily work this time, given any number of distortions associated with