And demand what, exactly? And under what law?

AG oversees utilities and are granted regulatory powers because they are effectively monopolies.

Explain clearly and reasonably your claim and you will likely see action and response.

AGs can only enforce laws and regulations that are on the books. Being a monopoly doesn’t give AGs some sort of arbitrary control over them. So which law or regulation would they enforce, exactly? It might help if you cited a specific code that says they cannot divulge subscriber information.

Usually they would go after them for deceptive business practices due to violating their own privacy policy.

If they violated their own policy, sure. But not every disclosure of customer information is prohibited by policy. The policy should be clear as to what the holder may do and what they won't.