Not considering the merits of baby trait selection, it is a logical fallacy to compare "choosing" a baby to "choosing" a doctor.
Or it could be an implicit assertion that the two are
And why wouldn't one assert that? The embryos that picky parents would be likely to select between are very early ones. Current American law accords no legal rights to them, and most leading schools of ethics, no moral rights. Therefore, choosing one embro over another quite arguably is
equivalent to choosing one movie over another.
I'm prepared to meet you half-way though: If
the above statement was a fallacy, it would
be that of equivocation. Deal?