Originally Posted by
KaPe
That's because you missed the part where Reaper/Tracer killed them three times in a row while rest of the team charged ahead. Or there was Widowmaker parked on a roof and no one noticed her picking off healers. Several times from the same place. At that point, it's pretty much "screw it, I'm not healing anything by getting insta-killed, might as well switch". Sure, once in a while you get terrible flankers who die to Mercy's pistol, but usually it's one sided slaughter that only highlights how helpless you are.
And of course, this is followed by "we need support". Good for you - too bad I'm dead again. Go ask Roadhog for his healing juice, maybe he'll share.