Certainly the subconscious is vast and almost all knowing and all powerful in comparison to the conscious.
And the conscious has a power of context selection that is not to be underestimated.
It seems clear to me that the greatest power is derived from using each in the ways they are most effective.
I love that Einstein quote “Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.” It seems to work as well for the components that make us who we are as it does between individuals or collections of individuals.