Themes and dialogue? It pretty clearly favors the more anti-authoritarian forms of socialism while heavily criticizing communism and fascism. The ultra-liberals come off the best of the lot but it's also made clear that they offer no solutions to the problems the city has and capital will always call the shots at the expense of workers.
Also, on a meta level, the creators got screwed over by capitalists because that's just what a scorpion will do if you give it a ride across a river.