I watched the launch live, they set the expectation that "if it gets off the pad it is a successful test" way before the launch. That wasn't just post failure spin. They certainly didn't complete the mission as planned, but they gathered a lot of valuable data. Something tells me that they didn't expect the pad to be as damaged as it was. I'm guessing their data said there would be damage, but it would be significantly less. Now they know. Unfortunately there are few small errors on a ship that size.