[supergilbert]

Be careful, it can be demoralizing for engineers working on the product as you can get the feeling that nothing works.

[ahaferburg]

I would presume most competent engineers have a pretty good grasp of what is or isn't working. If something doesn't, they probably knew about it already, or at least aren't surprised.

[SketchySeaBeast]

And if they are surprised that's the entire point.