is one piece episode 571 filler?

After the banquet ends, the Straw Hats are excited to hear they will be allowed to keep all of the stolen treasure. Franky says it will make them tycoon pirates in no time.

When Chopper suggests searching for Caribou along with Luffy, Zoro, and Sanji, Usopp tells him he just learned that Caribou is worth over 200,000,000. On the island, the group finds Caribou, and Zoro is disappointed that Luffy's punch was all that was needed to defeat him.

The three of them are excited to see how much treasure spilled out of Caribou's body.