I would go with Hatcher's data rather than Myth busters (my rule: never trust myth busters for a firearm myth). As stated, terminal velocity for most falling bullets results in less energy than a 22 short. That is, to be fair, relatively less lethal than other circumstances. Still more than a typical pellet gun, and i don't see people lining up to be shot by those! Not a risk worth taking! If you're hit in the body somewhere, you'll probably make it, but it'll still break skin and probably send you to the ER.
These things are usually probabilistic in nature-- why take any chance at all?
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