Please read my comment again :)

You can find a security hole and report it. That's nice and good behavior. But when you say "I have compromised the data with me", then you are being evil.

I signed up to the app because I liked the idea and wanted to support them. I knew that their app was in alpha stage yet.

I'm upset about his behavior. I'm upset that his behavior might hurt 2 nerds' inspiration.

I'm not upset about he got my keys.

But you are right. His behavior is still better than not saying anything.