Interesting, but definitely not a Skyrim topic!
I would like to know just -how- powerful those arrow shots actually are. I'm not archer, I know nothing about archery, but the ballistic-jell tests Mythbusters and many others use would be a very good way to measure how strong those shots are. They can't possibly be as powerful as a fully drawn long-bow's shots!
If you watched the whole video, you would have seen him shoot through chainmail with modern arrows. In the old days, to get through chainmail they used arrows that had extended arrowheads.
Anyways, to make this a Skyrim topic....this type of shooting should be feasible in TES.