I think it depends on how it is carried out.

If I was to have kids, I’d want them to have the best shot at life, and if that includes genetic editing, then I’m making some GMO kids.

If you want to have kids, I should have no say in those kids.

The problem is that eugenics folks are generally more concerned with other people’s kids. As with 95% of the problems in the world, if people would mind their own business and let others live as they do, there would be no problem.

Note that the main character in Gattaca is also a piece of shit who (a) knew he was on borrowed time and (b) was the only pilot on a multi year interplanetary mission. His need for personal success quite possibly doomed five others.