I agree with this point as well, and I think it bears emphasizing.

Awhile ago, I had a series of conversations with a friend who was having problems with people in her workplace. She would complain along the lines of, "I just can't believe that X would just shuffle a problem over to my desk. It was X's responsibility to solve the problem; X must be trying to get me in trouble with the boss."

Or similar formulations.

It gradually became clear that her go-to modality was to think that if other people aggravated her, it was because they were doing it on purpose.

I pointed out to her that practically nobody in the world enjoys maliciousness, meanness, etc. and that, given the choice of ascribing a person's actions to maliciousness, when it was just as plausible that the real motivation was thoughtlessness, misunderstanding, or ignorance, one should only opt for maliciousness if there's a number of REALLY GOOD REASONS to think the person would behave that way.

Ultimately, we all want to get along with those around us. Usually, when we don't, it's misunderstanding to blame.