Is 10 the cut-off "critical age"? Response to bogus news

Multiple articles have been making the rounds in language learning news, and even been shared by BBC, with "proof" that the critical age in language learning is 10. Let's investigate how solid this claim is, and find multiple holes that show some pretty weak ways they reached this conclusion. Join me in this livestream, where I pick it apart with several arguments, and join in on the discussion!