Originally Posted by
The Fiend
Thrall lead them to Shamanistic routes, but Not all Orcs were Shaman, They were Hunters, Warriors. He seeks peace, a worthy aspect, but he kept the Orcs and Horde bottled in, or tried to. As evidence, Garrosh shows that the Orcs needed the resources of Ashenvale.
And while he lead them out of the internment camps, he kept them under HIS ideals of Peace, Peace when Alliance sit on your doorstep in Fortresses, who destroy your camps to look for trinkets in the ground, and who threaten you at every turn.
Thrall was so Adamant on wanting Peace, he held the Horde back for what it should be doing, Forging Peace with it's own hands, and proving to all others that they should not be pushed around.