Hey Ove. I hope to dive into the morality/ethics of this in more detail. I’ve posts drafted, that I hope you will opine on when I publish!
I agree about the impact on everyday action — totally.
And my comment about 6/12 months is just from personal experience. Nothing to back it up except that. It has, however, been consistently the case that individuals are much more resistant to invalidating a belief in free will, than in God. In my experience.