Has Sanji's character recovered from his flanderization?

As a kid, when I watched One Piece, Sanji was my favorite character cuz I thought he looked cool, acted cool and had an awesome fighting style and his

One Piece/Characters/Straw Hat Pirates - All The Tropes

One Piece: Sanji / Characters - TV Tropes

One Piece: Roronoa Zoro / Characters - TV Tropes

One Piece/Characters/Straw Hat Pirates, Tropedia

Chapter - Shokugeki no Sanji

SPOILERS][THEORY] MEGA POST: Sanji has conqueror's haki. : r/OnePiece

One Piece Manga Thread: oda called the wrong arc whole cake island - The Something Awful Forums

Why Sanji is the best written and developed character in One Piece! - One Piece

Sanji's Fire Powers are linked to the Lunarian Race! - One Piece

Examples of characters who became flanderized/stupider as series went on, Page 3

10 One Piece characters who lost their charm post time skip