What do you think about me being a eugenicist in the past?
What made you change your mind about eugenics?
I realized that eugenics ideas are dangerous.
Eugenics are a violent ideal. It's good that you learned and changed your mind. You should apologize to anyone you might have harmed from holding those views.
Only evil people are against eugenics.
It seems you are aware of the flaws of being a eugenicist. If so, it's good that you have overcome this and can work towards becoming a better person.