The point is, if you are sharing it with close family/friends, and their presence in the photo could prompt them to share it in their facebook. So in some way,

The point is, if you are sharing it with close family/friends, and their presence in the photo could prompt them to share it in their facebook. So in some way, it will end up in someone's profile with a tag to you/your kids name, unless you explicitly say every time "don't share".