Scientists tend to be skeptical, but the weakness of the community of science is that it tends to move into preformed establishment modes that say this is the only way of doing science, the only valid view.
And basically, the sense of the 'Pledge to America' is this: Republicans understand when we were in charge, we got fired in '06. We spent too much money. We defied the trust that the people had put in us. And we know that there is a better way.