I don't think it's giving up, it doesn't have to mean an end to thought and interest and explanation.
Just an unwillingness to murder to dissect and admitting the fallibility and limits of the human mind. Or my own mind at least. You may or may not have one, I have received no direct sense data to prove either way.
( TFD is sporting this season's finest necropants, Thu 6 Oct 2011, 1:51, archived)