Welcome to the "Stupid Questions" thread! Feel free to ask any questions, regardless of whether they seem obvious, tangential, silly, or what-have-you. Don't be shy - everyone has gaps in their knowledge, and the goal here is to help reduce them.
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That would explain a lot. I've heard this rumor, but when I tried to trace the source, i haven't found anything better than guesses. So I dismissed it, but maybe I shouldn't have. Do you have a better source?