its a really useful talent which WILL save your ass in certain situations, your guildie is a moron.
If he's one of those that thinks that it's the healers fault when he's moving out of AoE from a boss mechanic and dies because he took too much damage for the healer to heal, he needs a reality check. Let me guess, he only started in WotLK?
So many fail enhancement shamans about since cata release when our rotation was made easier... hope they all go back to Ele soon.