That can include booting after an update and self tests, but yes, nothing about the component should take that anywhere near that long. We just needed a number

That can include booting after an update and self tests, but yes, nothing about the component should take that anywhere near that long. We just needed a number to design the manufacturing workflow and assumed it was a reasonable ceiling. They simply don't want to do the (potential) optimization work as part of their initial contract if they somehow manage to exceed it.