Fortunately this has not gone on for years and it got caught early and was then fixed. What were they thinking? This is not data for which an artificial floor is inconsequential. It could even be dangerous in the wrong place as anyone who has experienced minus sixty is well aware. The margins become real narrow there.
It is really odd considering just how controversial real measurements have become with heat island effects.
Yet it does remind us that we are vulnerable to real error at the programing level conducted by non specialists in most cases in most fields.