Lmao, Kaidou had already shit on Marineford version of Whitebeard, and now he shat on Garp in an irreversible way for Garp here.
Apparently Oda really represents the downfall of those who hold titles like WSC, WSS, and WSM well, look at Garp when compared to WB in MF, now look at Kaidou in Wano.