....
Sanji recognized and informed the reader about the tongue thing the pirate at Sabaody did to execute himself.
Sanji recognized Kinemon's top knot being from Wano when Zoro the literal descendant of Samurai from Wano did not.
Sanji calculated where to head to for the bomb in Arabasta.
And much more I can't recall but could go look up in the manga.
Sanji is way more intelligent than you want to trash him for.
Sanji would have recognized the circle.
And I am fucking done.
Because you are literally just hating now.
Get real and go fuck yourself. Blocked.