You don’t get one without the other. You do not get the faithful, who do not believe it is the duty of the faith to cultivate the spirit of mankind and bring all peoples in unity in God’s Holy Empire. I believe such a thing can still allow for some amount of local culture (and what is CONCORD but an interstellar government under which the Republic has already signed on to?), but it is undeniably the destiny of faith to Reclaim creation and bring it together again under God.
Now, of course, things to need to be changed in Amarr before it can be considered pure enough to actually fulfill its mission in the way that God intends.