I wrote the book “Four Fish” but now I eat a different four. — Seaspiracy, the buzzy, frenetic, slick, sloppy, confused and gripping documentary that premiered on Netflix in 2021, is often wrong but mostly right. Led by Ali Tabrizi, and produced by the maker of Cowspiracy, Kip Andersen, the film takes you on a bumpy ride with pit stops at every imaginable ocean…