This theory is almost inconceivable considering that the crew were mere civilians I grant you. But, maybe, just maybe the engineers and crew considered FOD, did a FOD plod on the dispersal and then moved it away from the hangar to start it up? Now that really is thinking outside of the box - perhaps too far outside.
No doubt you would have cancelled all flying until those damnable trades people had cleaned up every last bit of material while you stood by with your board, wagging finger and disapproving look.
Last words of wit and wisdom to you of course.