Frequently I noticed this happening with people. When A dislikes B, A tends to think B is wrong all the time. And it seems to be persistent, even when B is proven correct multiple times, it doesn't change A's opinion about B. Conversely, when A likes B, A is more likely to think B is not wrong.
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2$\begingroup$ Related: What is the most accurate name for the effect where people find excuses for flaws by leaders? $\endgroup$– Arnon Weinberg ♦Mar 12, 2021 at 21:38
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4$\begingroup$ I think these are called the "Halo effect" and the "Horn effect" for positive and negative biases respectively. $\endgroup$– AlexDMar 17, 2021 at 20:20