Answer:
As of late, the fandom of One Piece has been rather polarized in regards to the direction of the manga. Many have cited the decline in overall quality of storytelling as directly caused by alleged recycling done by the author. This arguments has been most prominent as of late during the Dressrosa Arc and many had stated that they were “sick to death of all these princesses and their war-torn countries” claiming that the latest in the One Piece princess line-up, Rebecca, is nothing more than just a mash up or a straight out copy of previously introduced characters. The debate was furthered by the overlapping themes in the latest arc compared to the beloved arc of Alabasta making the Vivi vs Rebecca debate more prominent by the day with Shirahoshi being mentioned on the fringes when comparisons of Rebecca and Vivi don’t really pan out. There is no doubt ground for the comparisons as all three characters share a title and their situations are definitely similar in some regards, as all three of their countries are deeply troubled and in desperate need of saving by the ever-capable protagonist. However, are the characters themselves all that similar? And are some of them really so poorly written? All three characters are introduced as beloved daughters of their parents and all three had the misfortune to lose their mothers early on in their lives thus being left to the care of their father and other existing family and friends. As similar as that may sound, it is not an argument in favour of recycling due to varying circumstances of their up-bringing and how that reflected on their personality later on in the story.
First of the princesses, Vivi, was raised by her father, King Cobra, and an assorted number of court officials as she was groomed into a successor to the throne. In the process, she is also encouraged to love the people and care about their well-being primarily taking it upon herself to ensure their well-being through any means necessary. Consequently, Vivi became a highly idealistic individual with the well-being of her nation as a powerful motivator. Furthermore, Vivi had become a strong person with a sense of higher purpose and necessity to be an active agent in bringing it into reality since she was taught it is her duty as their monarch. Her time with the Suna Suna gang left her with the impression that she too is one of the people and that she should not delegate.
King Neptune, Queen Otohime, their sons, and an assorted number of court officials, raised Shirahoshi, the second of the princesses. In contrast to Vivi, Shirahoshi was never groomed into being the next ruler as her elder brother had already filled that role. As the youngest child of her parents and as the incarnation of the ancient weapon, Poseidon, Shirahoshi’s entire family had always overly protected her. The already existing over-protectiveness was further aggravated by the assassination of her mother and the attacks by the pirate Decken. As such, Shirahoshi grows up to be an overly emotional, naïve, and sheltered individual, but one with high ideals of how different races are supposed to live due to the principles instilled in her by her late mother early o.
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