Security by obscurity or security by not being a dumbass?

found on Texts From Superheroes

The argument is often made that keeping details about how you defend yourself secret amounts to security by obscurity, but if I had to choose between broadcasting my weaknesses and not broadcasting them, I'd choose the latter.

And while telling Batman isn't necessarily the same as broadcasting it, that's info you still shouldn't trust him with. "Just making a list" my ass.