The "never seen a human" line never persuaded me, either. The Talosians were bilaterally symmetrical and looked very much like human beings. It shouldn't have been challenging for them to realize that Vina's species was very much the same.
They may simply have lacked any aesthetic sense. Perhaps they had limited empathy for her or didn't appreciate the extent to which human beings possessed self-aware identity.
They may simply have lacked any aesthetic sense. Perhaps they had limited empathy for her or didn't appreciate the extent to which human beings possessed self-aware identity.