Originally Posted by
Kleeya
In the same kind of thing the OP is asking for, if only there was something to teach people how to drive their car properly irl... Something that could be called a "driving licence". With that, i would never be worried to cross the road of misbehaving drivers again ! Because there is absolutly no way that countless people, once they are done with their lessons, tests and tutorials, will start to forget them, or even worse : ignore them, to do what they want instead.
Irony aside, if underperforming players are making you so sick, then you are probably better off opening a "high dps, wall to wall pulls, no zero dps healer" group in PF.