What you're describing is just analogous to the way college admissions works (with it well understood that at some price your moderately dumb offspring will be

What you're describing is just analogous to the way college admissions works (with it well understood that at some price your moderately dumb offspring will be admitted, as long as they can still read). Of course no ones life is on the line there, so that's the difference. People would almost certainly object to lower risk of dying being available for purchase, although it's already the case elsewhere.