The point is that he was somewhat sexist in some fairly normal ways, but at the same time he was extremely unsexist in ways that no one else was. Other people

The point is that he was somewhat sexist in some fairly normal ways, but at the same time he was extremely unsexist in ways that no one else was. Other people may have been more polite than Feynman in casual situations, but when it came to serious discussion he treated women (and students) as equals better than other people.