Not irrelevant at all. If I recall, some things aren't just all about out and out brute strength with the OP. It takes the two halves of the OP working together to accomplish the greatest feats. That's why there were two CK and an access key for each. And the CK weren't simply made for creating balefire, but for resealing the DO's prison, only that effort fell apart when the CK were lost into Shadow territory during the war.