Oh please, you've been doing nothing but being passive aggressive and insulting. I thought you understood what we're doing and are playing along because it's fun; don't try to highroad and play victim now.
First, if you knew about macros then why act like a PS4 controller is a valid excuse to not communicate simple requests to your group? Do you say stuff that makes you sound completely oblivious about this game for fun, or are you just bluffing?
Second, it doesn't matter how well the tank or anyone else understands their skills if the healer is bad. Bad healer = wipe. I'll trust friends of mine; I'll trust guild members; I even trust trusts (pun), but I'm not going to assume PuGs are competent; they need to show me or tell me something if I'm going to have any confidence in them.
I'll repeat, communicating isn't that hard. If you want big pulls ask for them; otherwise I assume you're just going to get everyone killed if I pull wall to wall.
Also, single pulls are valid in that people do them and they're allowed; try reporting someone for single pulling in a dungeon and see what happens. So, if single pulls are something you can't stomach it's on you to say something.