It's probably not a big deal for most, but when 100,000's of people know your kids name, hobbies, school and basically every detail about her family's life it is a big deal and makes C a target for deranged peoplePersonally I think this is great. I enjoyed this kind of freedom throughout my own childhood and it saddens me when kids aren’t allowed to go anywhere without a parent chaperone these days. A 9/10 yo walking the few blocks to a local store with a friend is nbd