I've got limited exposure to this, but we see this in some other fields. I just worked with a group that said they had no "defects". Actually, what you have is

I've got limited exposure to this, but we see this in some other fields. I just worked with a group that said they had no "defects". Actually, what you have is no reported defects and no clue what you are missing. The folks reporting defects in this space get a lot more hassle, but actually know what is going on in their ops.