Very smart people literally invented agriculture and deliberate genetic selections.

Absolutely. Selective breeding is a very basic, yet profound, technology to alter everything alive that populates your environment. Every meal is replete with crops and animal products that would not exist without thousands of years of selective breeding by people patient enough to say: "my kids will benefit from the next generation being a bit better than the last."

Of course, if you point out this holds true for groups of people...

you're told you're racist.