There is an undeniable link between Quality and Safety but how big or important that is can vary. In a product environment it can be the difference between getting what you ordered or not, if the product has hazards associated with it, the functionality of the guards and stops etc., if not correct could present a safety issue. If everything on your new car isn’t bolted correctly the wheel may fall off.
We have written a case study that while simplified has its foundation in a real event however, illustrates exactly how the issues with breaking a quality process can have unintended safety consequences.