"This was a couple of software engineers who put this in for whatever reason," - I'm not buying it. What would be their motive compared say to VW's motive? VW has a heck of a lot more motive for falsifying emissions than do "a couple of software engineers." Even if you were to argue the engineers were somehow fearful for their jobs that's still VW's problem because they're the ones who created that work environment i…
I really do feel this is analogous to some large pharmaceutical finally admitting that they cheated clinical testing on an important drug. You can't just pin that back to a couple of "rouge scientists".