"What's your take on the ethics of evolutionism?"
Evolution(ism) was the philosophical cornerstone of communism, Nazism, and all of the eugenics programs you read about. If evolution was legitimate science that wouldn't matter but, in the world we actually live in, it does matter.
Best take on the question that I know of is that of Sir Arthur Keith:
https://steemit.com/science/@gungasnake/5ejrhk-sir-arthur-keith-evolution-and-ethics