I think the crucial moral difference here is the old eugenics was preventing people from having kids because their genes were 'bad' in some way. These new thing

I think the crucial moral difference here is the old eugenics was preventing people from having kids because their genes were 'bad' in some way. These new things are superficially similar but don't rely on preventing people from having kids and their goals are focused on improving particular individuals instead of it being an outside attempt to improve society as a whole.