People who are disliked most of the time for seemingly no decent reason, what's something that they do that makes you or everyone dislike them?

If they aren't rude or problem starters, friendly, polite, and have good hygiene, what's the reason that you or some other people dislike them?

People who are disliked most of the time for seemingly no decent reason, what's something that they do that makes you or everyone dislike them?
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