That’s wrong. They are also enabling on-device detection for Messages.
Communication safety in Messages is only available for accounts set up as families in iCloud. Parent/guardian accounts must opt in to turn on the feature for their family group. Parental notifications can only be enabled by parents/guardians for child accounts age 12 or younger.
https://www.apple.com/child-safety/pdf/Expanded_Protections_...
If they suddenly start to break you trust - who knows what they will push to that black box next time ? You have no way to tell or prevent that, other than leaving the whole platform altogether.