Add it to the already overwhelming pile of evidence that self regulation does not work and that external oversight is needed in situations like this.
Whether or not those laws do what they're intended to do is another question, but to say the public 'doesn't care', is a baseless assumption to make.
Parents purposely allowing children to use these services is a much more clear indicator of sentiment, and as mentioned in the article users don't seem to mind allowing their children to use Facebook, Instagram, WhatsApp, etc.
Given that we're no way close to this and the power imbalance is already huge, we should be regulating how every person's data is used regardless of age.