Topic on User talk:Goo Monster
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They aren't the only ones who change trope names - as you mentioned, some names aren't 100% reliable. (For example, "No Sell" doesn't have anything to do with Adam Smith Hates Your Guts, so we changed it to Won't Work On Me. I don't know or care whether TVT has done the same.)
Best to look through the categories that list tropes and see whether we have something already, before proposing a new trope. (Sometimes I forget to do that, too...)