Single Player Offline Option

That has never happened to me. And do you really think them advertising lets say a new World of Warcraft expansion on Battle net would only happen with data mining? Where else have you ever seen an add for Blizzard product that isn’t a normal place for it? Or are you saying some other kind of non Blizzard add or telemarketing call comes from info they sold? Pretty wild accusation to make with absolutely zero proof.