And its rude people like you who are the ones the OP is talking about. I think the Myth should be broken up amongst the bosses in the dungeons...
WP:
1st boss 5
2nd boss 10
3rd boss 15
AK:
1st boss 5
2nd boss 10
3rd boss 25
This would stop the PiP abusers. And I've entered into AK only for the other person (not in my FC party) to auto-drop... Sometimes 1/3 (Wall) is because the player who left was massively undergeared too.