Originally Posted by
Nethereal
That's kinda disingenuous, purposefully obtuse or unintentionally. Communicate is a very broad and general term.
When I rescue a tank to another mob pack am I not communicating that I want bigger pulls? If a dps pulls a mob are they not communicating they want bigger pulls? If everyone does their job I.E. Healer keeps everyone alive, Tank has all the aggro, DPS burn things down theoretically everything would work fine in a vacuum so unless those pulls actually cause a wipe there isn't a problem.
No communication is needed unless you fail, sabotaging your group because of some misguided sense of purpose does not count. Do your job.