Now that you mentioned it, it reminds me of a similar video Dan Olson did on the subject:
Essentially, he argues that verisimilitude matters less than the ideological message a work is imparting. In fact, they're more than willing to see verisimilitude destroyed for the sake of imposing their worldview on a piece of fiction. To people like him and Blob, the diegesis, the fictional space that a work is based in, is nothing more than a heap of intellectual garbage that they can rummage through to find things to smear the author with. So because George R.R. Martin depicts the world of
A Song of Ice and Fire as a medieval, harsh, and violent one where violence against women is commonplace, he endorses violence against women regardless of what he actually believes. In other words, they believe a depiction of something to necessarily be an endorsement of it and not just an element to aid in the verisimilitude of the diegesis.