Darwin ponders the question of just how many drivers does it take to operate a forklift?  Operate poorly, he adds.  By his count, four would be the correct number here.  One to steer, two to ride side-saddle, and one to bail off the rear thereby nearly getting his genomes crushed.  Thankfully, number four had a bit of the crabbing, scrabbling gene which barely allowed his two most important jewels to survive.

Natural selection deems that some individuals serve as a warning to others. Who are we to disagree? The next generation, ever and anon, is descended from the survivors