most simplistically than my long post above, perfection is a lack of a 3rd step decision. If I'm still the manager and my identity is tied up in how I think you all will view me based upon what I do......than what I do simply has to be perfect.
When i make that decision to trust God and quit managing everything, most of the fear drops away naturally. This comes as I practice the principles behind steps 2 and 3. And I say 2 because, often, I don't believe God's going to manage for me and that I MUST do it myself.
When I can see myself more as a child of God and less as a being capable of doing x, y, or z well......that fear also drops away. See step 11 for this one.