I'd actually this is right on par with BJ Alex. It's simply a longer version of it with characters who came into the story more fucked up from life than the characters of BJ Alex and are having a proportionally equally long chase and redemption arch to fit that.
I don't think the author's reputation is ruined because of this, they're writing very thought out characters and a very realistic relationship between two very traumatized and flawed individuals. The relationship between the characters was extremely toxic in the beginning and completely built upon misunderstandings. This entire season has been about unraveling those misunderstandings and their traumas together. Beginning to heal from them and over come them, and it's taking a lot and a while to do, as it should.
They're still not communicating well, and there are still misunderstandings and trauma responses happening, but they are both slowly learning to be vulnerable with each other. Once they can realize their own feelings properly, and once they take that leap to trust each other, then the communication will come naturally and they can finally begin to heal the wounds that were cause not only during the relationship, but from their lives before. That is when a relationship can happen and when they can work towards true happiness.
No, the author is putting in a lot more work into their characters, their relationships, and personal journeys than almost any other author out there. This story just starts out worse because the characters are more unstable than the ones in BJ Alex, but because of that their journey is also longer and harder than the one in BJ Alex.
I half agree that it's very similar to bj alex cuz both of these manhwas, to put it shortly, are mainly about sex. yet they both lack intimacy as their whole relationships are build on it, in bj alex as well as in jinx. the mc in bj alex just had the choice to choose which dan didnt get to make. on top of that he never had to deal with unnecessary abuse just being alone in the same room with the ml (if im remembering correctly) which you cant say about dan, he not only had to survive in bed but also his daily time just speaking to the ml.
jk was always hateful for no reason at all, now the creator is tryinf to excuse his childish and abusive behaviour with him being poor and alone in his childhood. ofc that leaves someone with scars but why the fuck should that be a reason to explain his predatory way of viewing dan, sexual/romantic relationships in general? you said flawed individuals and that their relationship was toxic, built upon misunderstandings but there barley were any. till now i cant see any flaws in kim dan and all the toxicity you mentioned came from jk only.
the funniest thing is that his whole persona suddenly just changed into a new one and after seeing dan hurt, not only psychologically but also physically, so many times because of him, he just out of nowhere feels bad? now that dan has reached his lowest, cuz of him? if you think jinx can still be saved, you genuinely have to reread it and remind yourself of how they even got to this point at which they are rn. real forgiveness could only be felt from dan if first of all jk would create some conclusions in that airless brain of his and realize what he has truly done, find at least a reason cuz still, he did it all just cuz he wanted to, then see dan as a whole and never touch him in a sexual way ever again (less detailed way i could explain)
that end could be the only acceptable one.
theres a whole mess and whole lotta more bs i could mention but i also need to say, dans coping mechanism (starting to like jk instead of hating him), he litearlly "fell in love" with jk after and while all the abuse jk did and was doing to him, which can only be called stockholm syndrome. it led jk in the complete wrong direction as also himself. would dan start despiting him, jk would have never start thinking and feeling differently in the fisrt place (wouldnt make anything better even if he did) even tho as i said he still doesnt had a reason to do what he did and no reason to just suddenly switch and empathize with dan the way he never did before. ppl dont just start seeing new perspectives one day as he did which makes jk even more unrealistic. no experience he had that could be able to change his way of thinking the way he suddenly changed. well, but still, how can one undo such things hes done? one cant even in fiction

got dissapointed with this shit so many times not even worth reading the new chaps anymore, most of jinx fans dont even know the creators og masterpiece now shes ruined her whole reputation with this bullshit