You can’t really measure morality like that. It’s like I look through a library and decide that the library has more sci-fi books than they did earlier because I walked to the sci-fi section. Our modern view of morality is in-line with modern morality. People 200 years ago would have considered themselves just as moral as we consider ourself now.

Unless you are by far the oldest person on Earth, these were disproven far before you were born

Eugenics is the action of preventing it. Saying someone shouldn’t isn’t advocating for its forceful eugenics.