Raids are not overcome by grunts and foot soldiers. Chronicle distinguishes the player characters as champions, who are exceptional individuals that may not necessarily operate within the Alliance or Horde (e.g. the Hydraxian Waterlords enlisted us to defeat Ragnaros independent of either faction). We've met some NPCs that represent these champions, including the Council of the Black Harvest who are described as Azeroth's most powerful warlocks.
Of course, your player character has been present for all (or at least most) of them, and is regarded as such. "Throw away units" don't generally get invited to war councils.