Uh, aphantasia has precisely nothing to do with artistic ability. I only know a couple off the top of my head, but Ed Catmull founded Pixar and contributed greatly to computer graphics, and Glen Keane was an animator at Disney for decades, worked on all the big films. Both are aphantasic.

I hadn’t heard of Hernández before, but I was intrigued by the title so I gave it a listen. He said he doesn’t subscribe to dialectical materialism and his entire framework of defining socialism without even considering the ownership of the means of production strikes me as deeply idealistic, so I’m not so sure how seriously I want to take his work.