I think it's more like mini experience sharing. If they get curious when they see fire for the first time, you tell them it'll burn them. Telling them what's good or bad is like giving them your experience so that they don't have to deal with bad outcomes out of curiosity. It's more like guiding instead of brain washing. But sometimes we push our believes in them you're right. Specially when it comes to religion. I'm not saying they should grow up free from it but I'm saying you have a point