I believe children should be exposed to religion whether that means a family regularly practices/adheres to one specific faith, simply discusses or reads at home about different faiths or even visits various different services/rituals. Very few adults, young or old, suddenly decide to start checking out religions on their own. Many people feel intimidated by religion when they know so little about it.
I want our children to have a religious education to serve as a foundation and then to feel free to form their own beliefs. Currently we attend a Christian church but have done UU and considered other options. We also read about and discuss other religions at home. Dh and I do not self-describe as Christian but are very curious/interested in Christianity. I was baptized as a child (Presbyterian), and I imagine Dh was (Catholic family), but we do not participate in communion now and none of our children have been baptized.
Ds1 (2006). Ds2 (2010). Ds3 (2012).