[Question] Why is the Navy so incompetent?

[KingHashirama]

Tell that to the Yonko. Those Pirates literally own islands in a way.

Bro they control territories in the new world only, and on top of that its not even the entire new world, only a part of it. And within that part, WG also controls islands in the new world.

Only up until the colored lines in the second part of the grandline.

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