The problem is when you don't know things that could hurt you. "Your credit card was stolen" is something that you need to know. "Your password was compromised"

The problem is when you don't know things that could hurt you. "Your credit card was stolen" is something that you need to know. "Your password was compromised" is something that you need to know. "Let's not tell anyone about it, and hope that this information isn't abused" is not a valid course of action for a company that cares about their customers.