^ You mean like the Pah-Wraith cult?
In my interpretation of what was said, I don't think that's what he meant. The absence of religion does not equal playing for the other team. You still accept a god if you are a Satan worshiper. People who felt there was no order to the universe and didn't need religion or that all the gods were dead (and obviously would be proven wrong).
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OP: I found the Bajorans interesting. I liked dealing with their politics. I liked the episodes like
Shakaar (they almost started a civil war), Progress, The Circle trilogy, In the Hands of the Prophets, Accession, and countless Kira episodes like Necessary Evil, etc.
So what did I like about them?
I enjoyed that it highlighted the theme of oppression. They get the ball rolling down the hill. So we hear about what goes into fighting for independence. But what comes immediately after that? Do the factions stay united? How much religion do you have in your government? What traditions do you keep in place, if any? From "this provisional government is far too provisional for my taste. And when governments fall, people like me are lined up and shot." It's not a given that the government will stay in its present state. All these people so used to fighting for what they want--can they settle down and enter a parliament? And what Kira addresses, is how someone who lives on fear, anger, rations, and danger can somehow cope with that trauma. She didn't like what she was doing, but she hated the Cardassians more. And the more they showed that part of the character, the more interesting she got. What do you do with collaborators? What moral decisions were made during the Occupation that flip during peace time? For instance, Kira killing that man in Necessary Evil. Is that murder? Do the ends justify the means? Or the Cardassian accused of war crimes. Or the guy who does the taxes for the Cardassians and happens to be Bajoran?
Needless to say, they answered all those questions and more, especially in the first two seasons. It was studying an alien culture for the first 2-3 years of the series. Just one and how it related to the Federation, to the Cardassians, to the Dominion, etc. They moved to the backdrop in season 5. But before that, every week there was a layer to peel off the onion. I enjoyed that aspect of the show--as an adult.