That list could be a mile long! Just think how much better the world would be without NadaBraininsky or a Stinkfinger the Clown!
Well, no, I wouldn't go that far.
My Christian conscience compels me to be compassionate
So when discussing primitives who'd be better off dead--and we too, if they were dead or hadn't ever existed--I restrict myself to the bottom four of the whole lot. I can live in a world with the sparkling old dude; the oblate spheroid too but on a different continent.