I never claimed Frodo destroyed the ring. According to Tolkien, Eru Illuvitar destroyed it by tripping Smeagol in Mt Doom. More to the point though, that would've been impossible if Frodo, Sam, and the rest of the fellowship (along with probably thousands of other background contributors) had not done their part. Working together to overcome a great foe is fundamental to the story itself which is why the "Sam did everything" interpretation is so infuriating.