ISTM that simont, gjm11 and St Jack are all talking how to arrange to maintain a belief in the face of hazards to reason. I doubt Brennan and Jefferysai (inasmuch as they're mouthpieces for Eliezer Yudkowsky) would be against that sort of thing. In the story, Brennan doesn't accept the quote is true of the scientists of our age, but he does use it as a jumping off point.
What Yudkowsky does say is that we ought to be wary of cached thoughts. If, in the cold light of day, we keep getting evidence that we're wrong, or worse yet, realise that a belief is such that we wouldn't know if it were wrong, it's appropriate to stage a crisis of faith.
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ISTM that
What Yudkowsky does say is that we ought to be wary of cached thoughts. If, in the cold light of day, we keep getting evidence that we're wrong, or worse yet, realise that a belief is such that we wouldn't know if it were wrong, it's appropriate to stage a crisis of faith.