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I hear a lot about biases. I think being (over?) fascinated by quarrels is at least in the neighborhood of biases, but the typical bias is cognitive rather than related to which percepts get attention.
If being fascinated by quarrels is connotatively different from "bias", then I may need to take that into account when I'm talking about that fascination. It may open up the subject of perceptual biases.
I'm just reading Kuhn book an scientific progress. In it he gives the example that chemists had a different opinion on the question whether a helium atom is a molecule than physicists.
The answer to such as "Is a A a B" can tell you often more about the person you are talking with than it tells you about the A and B. When looking at the notion of biases of Kahnemann I don't think that "having your attention grabbed by quarrels" is a cognitive bias.