The following is a quote from javabeans in dramabeans' episode recap/review of Episode 17. I've put some of her views in bold font as they express how I feel about the drama at this point (words in italics are hers):
You know, I’ve totally accepted that Garbage is the husband and Chilbongie is no longer in the running, and my emotional investment in the husband question is pretty low (at this point it’s everything other than the mystery that keeps me interested), but I’m still super annoyed at how they’ve just dropped him off the map. Haitai too, whose trip to army I thought would be fodder for some poignant character moments.
But I feel like Haitai and Chilbongie have been eliminated from the husband question and have been unceremoniously dropped from the drama as a result—whether or not that was the intention—and that just highlights how little story there was in the first place.
I don’t like any drama that treats characters as mere plot devices, and despite the fact that Chilbongie was played with warmth and sweetness, it’s only too clear now that he wasn’t really given much depth as a character on his own. That makes me seriously sad, because I absolutely loved him. I still do, in fact, but I feel like he’s become an afterthought. That’s why as much as I awwed over the progression of Na-jung and Oppa’s romance in this episode (the proposal was a lovely bit of acting on her part especially), I can’t shake my dissatisfaction over the mishandling of the whole love triangle aspect.
I don’t think the crux of the dissatisfaction on Team Chilbongie was because supporters felt Chilbongie was a better person than Garbage, or “deserved” love more, or was better hero material.
Honestly, I think it’s a simple matter of the drama literally setting Chilbongie up to be the love interest, and making him the primary contender for ten episodes. So when you suddenly take that away from him (and from us),
of course we’re going to feel cheated.
I will argue that this was done strictly to preserve the mystery, which makes it a fault of the production for serving its gimmick more than its characters. It has nothing to do with which character is the better man, and everything to do with the fact that the writing bait-and-switched us, and I think we have the right to feel unhappy about it.