The fans: Yo so Sanji’s siblings are all definitely blonde. Like, it would just not make sense if they weren’t, you know? Especially since the Straw Hats confused Yonji for Sanji. Like, that wouldn’t make sense if they weren’t all blonde, right?
Oda: *watching Power Rangers one morning while eating a bowl of Fruit Loops, probably* I have the most brilliant idea!
Later that day:
Shounen Jump: ……….what did you do?