Wow you'te a stubborn *******, you don't even to bother reading your own link you post before you start lecturing false information,
Luffy's generation of supernova's is also called the worst generation, you're right when you say that there is only one worst generation. However there are multiple generations of supernova's and it goes as I said in my original post Cavendish > Luffy > Caribou.
Wikia isn't a very reliable source but in the article you picked it even says: "The Worst Generation is a term that refers to the eleven top rookie pirates, with bounties over Beli100,000,000 who arrived in the Sabaody Archipelago
before the Whitebeard War (whom are denoted as the Eleven Supernovas ("
Implying there are multiple moments where someone could become a supernova, when you look at the original supernova page (which you tried to cleverly dodge by picking the worst generation article)
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It even says so, demonstrated by a fool proof table, that there are multiple generations.
so this is a Uber F-F-F-F-Fail
(Besides, why do I need to give you proof. This has been in the manga twice since the timeskip. Once at Caribou intro and at Cavendish intro, Cavendish was pissed that Luffy stole his thunder) Pay attention man.