Someone is butthurt it's irrelevant because it debunks your agenda author wouldn't include that in te manga if that was the case. Zoro attained his level of strength through his own hard work and efforts
Sanji can do nothing but cook still be one of the crew strongest due to his germa modifications Luffy has most broken fruit.
Vivi through her short journey with the crew even noticed and points out how much Zoro trains. Nothing has been gifted to Zoro no amount of cope and seething will change that