I still think it's not a good comparison. I don't know anyone nor have I ever seen anyone do what you described. That's quite a stretch.

I have seen many Drks who do not use Darkside. I always do because I love Dark Arts. Some people are just not as good as you may be. No reason to get upset about it. When I play Ast, I still don't DPS and I keep everyone alive and always on top of cards. Unfortunately for Mihael, SE said they do not design content around healer DPS. Each person has their own play style. Just because you don't like it doesn't mean you have to follow suit.