As a man who has the ability to search Google (whooo!), I can add that "Barely Legal" teen movies are published by Hustler, and there appear to be hundreds of them with related names.

Some are sold on Amazon.

Presumably the people who operate in the legal pornography business -- working for Hustler, their distributors (I'm assuming there are several) and US-based retail outlets -- don't use iCloud or it could have an unpleasant impact on their legitimate businesses.

I thought that too, but the article mentions that the messages couldn't be found in the accounts' Spam folders.