So Now Failure Is Okay, Apparently
In other words,even when a policy has been tested and it has failed, that doesn't mean it's not a great policy that we should keep trying in new and different markets. This is just a variation of that golden oldie that folks used to defend Common Core-- "The policy is brilliant; you're just implementing it wrong." The policy may look like an utter failure, even after over a decade of reforminess, but honest-- any day now it's finally going to work the way we imagined it would.
This is part of a valid idea. But his list of possible causes for failure is missing one critical possibility-- your policy idea is a bad policy idea, and that sad pig won't fly no matter what shade of lipstick you try smearing on it.
He does offer a good description of the process often involved with reformy policy failures:
When a new study comes out that says a policy has "failed," we man the ramparts. Opponents (who were against the policy before any data were available) come out and tut-tut at advocates, telling them to "follow the data" or not to "cling to ideology." Advocates circle the wagons. They spin the CURMUDGUCATION: So Now Failure Is Okay, Apparently: