>>281756369
Garp hating the CDs obviously isn't common knowledge. That's something his colleagues and superiors definitely try hard to cover up, and he sort of plays along.
You also see that in how when talked to about refusing the admiral promotion Garp would say something about the vice admiral position being enough already, but later on it was Sengoku who surprised lower ranking marines by revealing the real reason and Garp's private contempt for the CDs.