Unpopular opinion (kinda sorta?):
Though the amnesia arc is more drawn out than we anticipated (or wanted) it to be, I think it's important for several reasons. Personally, I love the moment in Chapter 52 where Athanasia truly begins to react to Claude's memory loss by (1) remembering her past life as an orphan and (2) realizing she started seeing Claude as her real parent in the midst of her plans to trick him. It's been clear
to the readers for nearly half the story that Athanasia and Claude are important to each other, but this arc gives them each an opportunity to realize it for themselves (in a difficult and painful way, but stories
have to be difficult and painful sometimes). This arc also introduces the fear of a "changed storyline": if the original plot is disturbed, will the rest of the story unfold in a different way, or will uncontrollable external forces force the story to return to its original trajectory? Athanasia now has to face these sorts of problems; it isn't as simple as avoiding a predetermined plot.
As for Jennette, it's important to remember she's one of the youngest characters here, both physically and emotionally. She is, in essence, a representation of Athanasia's previous life: she's an orphan, and she's never truly belonged to a family, and she's desperately searching for it. She was taken into the Alpheus family, and she has Ijekiel to take care of her and keep her company, but as Chapter 65 reveals, she's never seen them as an actual
family. This is why Athanasia and Claude are so important to her, because she believes both of them will be able to offer her a feeling she has never felt before: a feeling of belonging, of being loved and accepted unconditionally. Is it insensitive of her to feel happy for having Athanasia and Claude to herself while Athanasia is suffering? Is she naive for telling a stranger all her problems? Of course. But as all people are, she's flawed, and her insensitivity and her naivete stem from the fact that she's a young girl who is desperately wishing for a father and sister who, to her mind, don't know she's related to them. She is
lonely, barred from indulging in her own personal wishes for familial companionship by a larger political scheme enacted by the adults in her life who should
know better than to exploit the unfortunate circumstances of a young girl.
This is so long, but in conclusion, I mean no disrespect to anyone who doesn't like this arc or who doesn't like Jennette, but I've been seeing so many comments in this vein that I wanted to offer something contradictory. Just please don't @ me to yell lol I'm fragile. (Also thank you to the translators who work hard to bring chapters to us
)