Remember you are playing with PUGs, where there is no voice communications, differing levels of skill and competencies. I would also like to add that as I healer, I definitely die very quickly when focused, or someone slaps a stun or silence at the right time (read skill).

And as a healer I've been in more situations where it was our 2-3 healers vs 4-5 healers, and it is possible to win, just takes some time. Or call over Alliance B, to assist, they come, it really drops the fight time down to less than a minute.