^Not particularly. I remember seeing a fair few series that cheerfully went with non-names along the lines of A-ko and B-ko - and given these two are never referred to by name just about the only part where that would be relevant anyway would be like VA credits...
^The action lines around her arms make it look like she's shaking them trying to make the cloud go away. It's probably simply out of embarrassment that other people could see what she really thinks of Diana.
@EmergentLurker They already had wireless and old style phones (with switch banks etc) and cars / planes etc - I dont think much would change avatar influence wise, if she was still running around protecting & helping the world.
When I first learned about this couple I thought for sure Catherine was the top and Shamir was bottom. But after two play throughs I have no doubt Shamir is the top in this relationship.
^^And apparently 90% of female players picked female Byleth, so it's not even reversed hetero picks (yes that happens a lot actually, picking the opposite of one's own gender to have a straight romance with a character of one's own gender).