I think making the connection with 'Eugenics' is a kind of scare tactic since nobody is advocating forced sterilization.
Humans have always chosen the genetic patterns of their offspring by choosing the genetic patterns of their sexual partners. It's just more deliberate and more precise now.
We're also breeding certain kinds of groups out of existence. When whites married whites and blacks married blacks, we continued relatively clear skin color lines. With interracial marriage we are slowly breeding whites and blacks out of existence. How much different is that than deliberate genetic choice of offspring?
Do we want anyone telling us that despite the fact that our partner is pregnant with a fetus with only a brain stem, we can't abort because it is impermissible to make a deliberate choice to end a pregnancy on the grounds of genetic predilections?
I'm only familar with a small group of 'designer babies', the ones produced by the Oneida community. All the reports I have read of that group of children report that they had good lives and no complaints about being 'designed.'

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13