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The number is closer to 3m~ as youtube is weird and when a batch of videos is restored the api outputs the views of the earliest video in the batch for all of them for some reason.
Extra trivia is that the videos don't unprivate all at once. They are done in about batches of 3 - 10 over a period of a few hours so its still ongoing. I don't know if this is the managers doing or something on youtube end.