They have a legal duty to report hacks and report if it will have any affect on their business. And this is what they are doing here. Being outraged because a company does what they are legally obliged to do just makes you angry for no reason.
They'll address the hack to customers no doubt, in a separate email/communication.
At no point did they say the 600M people "can kindly go and fuck themselves" and contorting things to try and get there will just make you angry. If you want to blindly feel anger, you're welcome to, but the company did what they should here.