if you watch just before the whale strikes theres something black at his right foot drifting in the surf ,,,, maybe the whale was going after that thinking it was a seal and dude just got caught up in the middle ,,,but yeah it does suck ,,,not much he could do theres 2 whales ,,,,its on you tube and people were commenting on it authenticity ,,,1 point i read was why is the camera man so calm ,,,, which leads to speculation of a doctored vid
