Makes no difference. Once you accept random chance as the starting point with mutation and survival of the fittest as the method it's all the same. In fact, sticking to strict rules like reptile first, mammal next, shows an alarming lack of survival ability. Everything interesting is happening at the edges of the herd, not in the middle where everyone is walking along in one anthers' mammal dung.
It takes an alarming lack of faith in survival of the fittest to preach it as the main factor in bringing mankind this far and then being afraid it will go off track if you allow people to hear alternatives. The priesthood of Random Chance is doomed because people now know that those who predicted it would corrupt society were right. It leads to a self-proclaimed nobility telling the masses when their grannies are shovel ready and that their children are inconvenient tissue masses.
Suicide isn't a survival enhancing trait, whether you trace it through pond scum or reptile then mammal. More money for the self-proclaimed nobility is the real issue, not what gets taught. What gets taught is an issue because it drives the Random Chance faithful into a frenzy of resistance to change even though they insist random change is the driving force behind evolution. So, they want more money to ensure that what they teach as critical doesn't actually happen.
It leads to a self-proclaimed nobility telling the masses when their grannies are shovel ready and that their children are inconvenient tissue masses.
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Exactly!