I don't see how someone can be deeply offended by any of this, especially if this is the "norm" in Germany. I question how you'd treat your child if one day he came to the conclusion that a religion was for him. Seems like a lot of huff and puff over three simple solutions to the problem. 1. Be honest with your feelings (feelings, not facts because you may be wrong after all) about religion with your child *without* indoctrinating atheism yourself, 2. Find a school that doesn't have a denomination (private), or 3. Don't send them to school.