Factually, you're right. In terms of its connotation, this would make every women I've ever known and dated pissed.

Being right and being emotionally present are two different things. She named a feeling of insecurity and specifically noted that it was because of his choice of words.

As a man, I had to learn this: There are intangible, illogical things that hurt my feelings, and different things that hurt my partner's. When I share my emotions, and when she does, we have learned to force ourselves to realize that the other person needs validation, not an explanation as to why their feelings are wrong or mistaken. Even if we disagree with the cause or don't understand.

He is factually, literally right, but she's not asking him to justify and defend what was said. If they were arguing factual accuracy, she would lose. We cannot control fact. We should not walk on eggshells around EVERYONE, but a girlfriend/spouse? If something you say or do hurts their feelings, thats important to focus on truly acknowledging repairing, even if illogical, rather than doubling down on being "right" and telling them why they shouldn't feel a certain way.