WifS really kicks themselves in the crotch when they do that.
Customer: "This looks odd. Is there a problem?"
WifS: "Nope. Worked exactly as it should."
Customer: "Are you sure?"
WifS: "It's a very rare bug. We're going to fix it."
So, in essence, they say one of two things: 1. If you don't like our answer, ask again, we've got more where that came from. 2. We have no idea but we'll respond and hope you stop asking.