There is no excuse to not have a fixed set of KPI's with a well defined end-state that includes a full return to normal. "Science", even rapidly changing science, doesn't tell you what KPI's to use. If the goal is hospital capacity, great... use that. If you can't formulate and articulate the goal, including a full return to normal, maybe you shouldn't have imposed the restrictions in the first place.
Honestly the fact that the plans keep shifting lead me to believe that the governor isn't actually looking at the data at all but is instead trying to feel the room to see when it is politically "safe" to fully reopen. A strong indicator that the time to reopen was a long time ago...
To say that someone "has no excuse" only makes sense once you have at least as much understanding as they do of the context in which they are making decisions. Anger makes it easy to ignore others' perspective. Anger makes it easy to fool yourself into thinking you are holding others accountable skillfully.
Except perhaps for a brief period at the beginning of restrictions, every state imposing restrictions, at least that I am aware of, did so with a concrete set of milestones which governed step-down.