Are not related. Sokal published his piece in Social Text, "A daring and controversial leader in the field of cultural studies, the journal consistently focuses attention on questions of gender, sexuality, race, and the environment, publishing key works by the most influential social and cultural theorists." (from the current description of the journal). Social Text is not even so much on the social sciences as on the humanities side, and peer-review in the humanities, I'm sure you'll agree, has little to do with peer-review in the 'hard' sciences.