I'm just going to start off by saying that I actually liked group 1 more than group 2! I do like all of the villagers that I nominated though.
Caroline
I happen to like most of the squirrels, and Caroline is no exception. She's one of my favorite squirrels actually. I really like her bright fur and blue eyes. I can understand why others may dislike her though. While I like her bright color, other people may actually think of it as a flaw and prefer villagers with more neutral or toned down coloring. I think I've seen some people mention that they don't like her house interior in New Horizons as well, although I like it myself. I guess that could also be a factor in why people dislike her though. I love her, so it's hard to think of much criticism, but I assume people have their reasons for not saving her.
Eunice
Eunice has been one of my favorite villagers since the GameCube game. I will say though, that I don't like her house interior in New Horizons. It's a laundromat, which is nice if you like that I guess, but it's just not for me. I much preferred her interior in previous games with the classic sofa and grand piano. It reminded me of a grandmother's house, which is certainly better than a laundromat. That being said, she'll always be one of my favorites due to my fond memories of her even if she's made some questionable interior decorating choices recently. (Also, I still think Eunice should have been the one to win the counting sheep polls and be made into a collectible, but Vesta is cute too.)
Julia
I have to say that out of the three who were cut, Julia being cut saddens me the most. Eunice may have developed poor taste when it comes to decorating her house, and Caroline may be a bit bright for some people, but what is there to even dislike about Julia? I looked at her. I looked at a picture of her house. She's a peacock. A female peacock who has the appearance of a male peacock. She has big, pretty eyes, the beautiful male peacock coloring, and she's clearly the best of the ostrich villagers. And I like several of the ostrich villagers, so that's high praise coming from me. On top of that, have you seen the exterior of her house? It's so blue! Blue is my favorite color. The more I think about it, the more I'm wondering why I don't have Julia on my island yet. I would say something negative, but I've studied her Wiki page and have failed to find a single flaw. Is being too perfect a flaw? I'll go with that if it is.