On the good side, I'm not too sure what the point of this story about unionizing the demons of Hell is about. And ambiguity is good for me, and often points out work where there is further meaning or symbolism to be found.
So, the basic plot is that an imaginary union leader, a fellow that has created a union of temporary workers, is sentenced to Hell, and housed with Jimmy Hoffa and other famous labor leaders. They soon organize a strike amongst themselves, and their demon overlords. The strikers, demons, and ultimately Satan all obtain free will as a result of the successful strike, and the story ends.
Let me state that I hate any and all stories that take place in a fictionalized Hell. I can't think of any concrete examples off the top of my head, other than one of the recent Palahniuk books I tried to start and threw down in disgust. After Dante, Hell is pretty much done, and best left as a symbol in the mind, as metaphor, but not as an actual place to go tramping about. Spinrad's style is interesting and conversational; this is really a novella, which exists, I guess, and probably wrongly, to aggrandize labor movements for the anarchist PM Press.
The story proper is followed by a really basic rant on economics and the unfair, ailing state of world economics. There is nothing fundamentally wrong with it, but if I want economics articles I tend to go to people known for speaking in those realms. There's nothing really new here, just go read Matt Taibbi if economic expose is what you're after. The interview at the end with Terry Bisson is quite entertaining, and for me was the highlight of the book, along with the bibliography.
To sum, I personally enjoy a denser, more baroque writing style and Spinrad employs a simple, spare style here, and it's a story using Hell as backdrop, which again is not in my personal wheelhouse. I really like Norman's earlier works, which give you a lot to bite into. He is a worthy writer but this novelette is just a morsel, not a meal.