system
A chat on subreddit /r/NoStupidQuestions
human
Evolution tends to follow the rules of ‘survival of the fittest’ - where good genes and traits persist in those who survive. As we have modern dentistry, toothbrushes and varied diets that don’t necessarily require strong teeth etc- there’s not really any evolutionary trend that would mean those with stronger tooth enamel would thrive over those without.

If everyone with crap teeth could no longer eat and all died of starvation before they had kids, then you’d probably see change happening over the generations.
gpt
&gt;‘survival of the fittest’

Survival of the fit enough is more accurate.