it's called infanticide, and even we humans have done it for millennia, the worse kind is called 'sex selective infanticide' , and with todays technology (Ultrasound) there are some places in the world where it is still practiced today. So if a child's sex is wrong, they need never even be born

But you can even experience a strange form of it in your own workplace or even in a sporting team, where a new dominant leader is appointed to replace a previously much loved and successful team leader

How many time have you seen it happen that the new leader wants to completely purge the virtual DNA of the old leader and replace it with their own