Actually it does,ppl where not up the tanks butt to stance dance all that much till alex gordias as it was punishing with hard dps checks. People tried to enforce it in other content after.
Also if you actually read what I said, I personally don't care if tank is stance dancing or not. I also never stated no else should dps, reading a post in full kinda helps not have mis-understandings. It is the dps's role to do damage though. Not use tank as a scapegoat.
I also never been kicked from pf groups either.

And no your mindset is pretty garbage, if you read the op it looks like their using duty finder not pf. They already cleared shin ex, just farming the wing.