In my opinion, this is not the right way to effect change in academic practices. Sokal's big hoax did a good lot for Sokal (whom everyone is now familiar with—but it's funny: is the public acquainted with Sokal because of the contributions he made to his field? Arguably, no. Who's supposed to be the sham academic again?) and caused a lot of drama—but was it an effective means of enacting the sort of change in academic practice it claimed to be striving for? Well, we simply need to ask ourselves why there's even a need for such a thing as "Sokal squared" to answer that question.
This is a conniving way to go about improving academic practice—doesn't the very practice sort of eschew the principles of open collaboration, transparency, collective growth, and honest dissemination of thought/knowledge academia should, in the ideal world, foster?
This is largely just an attempt to incite drama and gain notoriety on the part of the authors, and it further drives wedges between already highly disparate, specialized fields that may as well talk past each other.
Of course there are things to criticize about grievance studies, just as there were things to criticize about the lingo and methods popular in the humanities when Sokal devised his original hoax—but stooping to underhanded publicity stunts instead of open intellectual conversation likely won't solve the problem. Please don't give in to this sort of nonsense and stroke the pleading egos of the 'academics' that pull these sorts of stunts. Boghossian is not a hero.