Notice how every single one of your examples of a position is something framed as having only two sides, pro and anti.

There’s a massive area of options in something like, for example, one’s position towards the Muslim Religion, for example, neutral, pro-Sunni but anti-Xiite, pro-moderate Islam (for example, as practiced in the largest Muslim country of the World, Indonesia) but anti-extremist Islam and so on, and even these are massivelly simplified into pro and anti for ease of explanation (just the role of Hadiths in that religion and which should be accepted or not as “divine” guidance generates millions of options which are neither “pro-Muslim” nor “anti-Muslim”).

I suspect you have heavilly interiorized at a subconscious level the “two sides” logical falacy to the point that even when you tried imagining multi-polar politics you still ended up with people on either “one side” or "the other side"on a per-subject basis, which is just moving the two sides logical falacy from the general to the detail (an improvement, yet still anchored on the same reductionist framing and thinking about options in politics and society)