Kizaru will get pushed, but he's not losing here.
Ya'll fell for Sabaody ALL over again. The Straw Hats defeat one Shichibukai, Moria, and another one gets death with without the Straw Hats defeating them directly (Kuma). Same shit here with the Yonkou; hell, you even have the Moria connection.
The closest we've seen an Admiral come to getting packed up is when Shanks' wifi Haki saved Green Bull from getting run over by Luffy, Zoro, Sanji, Jinbei, and Yamato.
An Admiral with a Gorosei, 9 Vice Admirals, and over 100 ships is not losing here. This is an escape situation, the more fights the Straw Hats get into here, the worse things will go for them.