> -In the past people found it "morally upsetting" that no matter how smart you are or no matter how hard you work, that doesn't matter to the DNA you pass down to your kids.

That may not be true entirely true — in addition to passing on your DNA, you also pass on epigenetic "on" and "off" switches that determine gene expression. Most notably, this has been found to have three-generation effects following famine — an experience that "shouldn't" affect DNA.

https://en.wikipedia.org/wiki/Transgenerational_epigenetic_i...