Actually in PvE it's even better because mobs are stupid and will eat not only their reflected damage but the damage from confusion as well, because, you know, it's the intelligent thing to do xD
WARNING: A lot of higher lv ranged mobs will actually run OUT of feedback and other reflective things to shoot, so it's not nearly as effective on some of the more intelligent mobs, but it's still effective due to the it takes them 1-2 shots to figure it out.