The problem is that ONLY obscurity shields users from exploits - and it's not much of a shield (it never is). So yes, it is "more" security. And no, it doesn't

The problem is that ONLY obscurity shields users from exploits - and it's not much of a shield (it never is). So yes, it is "more" security. And no, it doesn't help much. Arguably it makes matters worse because the code can't be checked by independent security researchers (whitebox testing).