There is a reason why we say it fellas, because it could happen to you next! It only takes one thing to draw your attention away and if your counter checks fail, here is the result.
How many us have missed the transition checklist due to being dicked around by ATC? How many missed a step, busted an altitude or did something silly while caught up by a threat?
I'm sure the guys who have done wheels up never thought they would do it either. Anyone watch ice pilots?
Oh and never trust the Pilot next to you, cross check it yourself