What was the purpose of alan sokal's paper "transgressing the boundaries: towards a transformative hermeneutics of quantum gravity"?

The Sokal affair, also called the Sokal hoax, was a publishing hoax perpetrated by Alan Sokal, My goal isn't to defend science from the barbarian hordes of lit crit (we'll survive just fine, thank you), ... students read Sokal's paper and were told either that it was written by another student or that it was by a famous academic