Well, I doubt they really went super cheap. I read elsewhere they used the same glue that is in other high end cars but most cars don’t have stainless steel being one of the panels. SS conducts heat better than regular steel apparently and that might have caused differences in curing. Any car that differs this much from the norm will have unexpected problems. They should have done a bit more testing, but I wonder if this particuar issue would have come up in any reasonable test situation. I see hundreds of those trucks on the road and never saw one with missing panels. The current atmosphere doesn’t reward accurate reporting on what should be a simple subject though, so who knows…