NASA's engineers may not be bozos but they aren't authorities on what's possible either. And they have weaknesses just like any professionals. They especially h

NASA's engineers may not be bozos but they aren't authorities on what's possible either. And they have weaknesses just like any professionals. They especially have a weakness to imagine that something they have failed at achieving is actually a lot more difficult than it truly is. Nobody wants to imagine that they are incompetent or that they've missed something so obvious that they turned something that should have easy into something incredibly difficult. But it seems increasingly obvious that this is precisely what NASA has done.