Bingo.
That’s why disagreeableness is the strongest correlate.
Disagreeable people can seem “crazy” because they are non-conformists. They are independent thinkers, expressing non-standard opinions and perspectives. People will view them as “crazy” for that, regardless of how logical they are.
Being disagreeable may also lead to more emotional distress in some cases, especially for women. You don’t change your mind or your actions based on what people tell you to do, so you wont be as culturally repressed, but you may still feel the emotional effects of rejection and conflict. Women aren’t supposed to be disagreeable.
As a disagreeable person, you can have your own independent thoughts and act more autonomously, regardless of the social consequences. But, at the end of the day, you still have to deal with what other people think of your behavior. The difference is you don’t try to change your behavior. Instead you try to change everyone else’s opinions. Disagreeable people probably get angrier.
Half the things I do that people see as crazy are simply me ignoring social rules, wanting to impose what I think are better social rules (being extremely confrontational if anyone tries to ghost me), or getting angry people don’t think the way I do or see what I see.
Disagreeable people aren’t as afraid of conflict. I think maybe female anger is probably more often seen as “crazy” than male anger. This is because women are stereotyped as less logical. Also, women will empathize more and examine their role in a conflict while men will more often write the other person off as “crazy” instead of considering how they may have contributed. This may lead to unbalanced dynamics in conflicts between men and women, leading to disagreeable women being labeled as crazy.