I keep my eye out but haven't seen anything except either ancient ones or ones that are in terrible condition. Ebay and the like are out of the question because the shipping is insane.
Oompa Loompas were actually just dwarves that Wonka held hostage and painted orange. He forced the other dwarves to mine jewels for him or he'd have the Oompa Loompas tortured and murdered in one of his death machines. The chocolate factory was just one big money laundering scheme.
They put it in their shows because it's something most people can relate to so it keeps viewers engaged and improves ratings. If viewers can't relate to the characters they won't tune in.
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