The overlap part is decidedly worrying but I'm sure there must be some enlightened debate about cat porn somewhere. If not, come to my new IRC channel, PussyTalk.
The unit for the gradient of this graph would be the morality per second, or ms^-1. Now you have to ask yourselves, "Why do they use that for speed then?" The obvious answer is, the more speed you do the higher your rate of change of morality.
Villains who actually use this algorithm, whilst vastly superior to other villains who laugh by intuition, often get trapped in what scientists know as "The Eternal Laugh".
Odd side effect of the Principle of Linear Momentum
First comic for a while; thought it should be a physics one. Don't know why I did it but if you look closely the 4th baby only has one eye and the 5th has three; obviously the force of collision.