The show had already established how Tendi has green blood earlier in the series after an injury and it would have been an easy to infer detail compared to humans in the show.
Other animated shows like Steven Universe already show how non-pink blush colors can work in animation.
Anthropology major I think part of the argument was that since all primates share a common ancestor, when does it stop being functional for reproductive purposes? Is Tuvok sterile like a mule?
Seriously this is why I stopped watching these things with this person. It’s like watching a war movie with a veteran.