I've seen that video and while that is an extreme case of Murphy's Law I can assure you that my little heli is no where near that unstable because I usually keep my hand on underside the boom anyways to keep it from torquing.
http://www.youtube.com/watch?v=RihcJR0zvfM
http://www.youtube.com/watch?v=6vICf8l-KV0