If that's true, the lead developer should be fired on the spot. They use that "good" old "security by obscurity". I thought this technique was dead long ago....
Errare humanum est.
Oh well, everyone overlooks something that seems obvious to someone else, I guess.
Saying security is less important because it's not a bank doesn't make sense because it's issues like this that can cost a company it's existence.
It is a problem, just saying that I vote the developer keeps his job cause i like tumblr