It seems to me that if we condemn racial supremacy and gender inequality, and if we choose to be accepting of all irrespective of physical/intellectual ability, sexual orientation, and gender identity, if we desire to be a society in which all are created equal and endowed by their Creator with the unalienable right to life, liberty, and the pursuit of happiness, if all of that...then we must find this line of thinking abhorrent.
I agree on one level that life isn't black and white. But I also believe that life is precious. These lives matter. Shame on us if we continue to go down this path.