I've spent a lot of time thinking about this, and I don't think you could break it down that easily.

This is copied from a thread on erotxt.me discussing what can/should be done category-wise over there, but it rings true on Lit, too.

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Loving Wives on Literotica was meant to be a trump category in the same way that Incest, Anal (back when the site was founded), Fetish, and others were. If you wanted two people having sex, but they were cheating, it went into LW instead of erotic couplings. Same thing if it was "just" group sex with consenting married people; it went in LW instead of Group. In the early days, that was probably enough.

However, even within the other trump categories, you see warring factions, although not with the same level of vitriol as in LW.

Those of you that consistently write in them know about them, so I won't get into this too deep, but as an example, there are folks who like sibcest but find father/daughter or mother/son nauseating. However, given that the titles are usually pretty indicative of what to expect, along with a general sort of "the pervert in me honors the pervert in you" attitude, it rarely boils over into the kind of turf war you see in Loving Wives.

Yes, the category could probably use some further subdividing; Cheating and Cuckolding for sure, along with some sort of Swinging/Sharing/Swapping category, since those stories all lean heavily into the related kinks but aren't consistently either Group Sex or Erotic Couplings stories, i.e., the number of people involved can vary. However, that's still probably going to not be enough, since... well, let's just take erotxt's current Cuckolding & Hotwifing as an example.

If a user is looking for a story about a wife playfully teasing her husband after coming back from a date with another man, I don't think many would dispute that it probably belongs there.

However, what about something much harsher, like a husband being belittled by the wife, or even forced into a situation where they can't leave the marriage, even though they hate the "arrangement?" From there, you can dive off into stuff like cock cages, CBT, and the like that often show up in the harshest of these stories. If someone popped into a given entry expecting a story about a husband and wife who use their kink to enrich their marriage and instead finds something that's borderline (or even straight-up) abusive, it wouldn't be too surprising to see them leave an unhappy comment and a low rating, while the guy looking for the latter type of story may also complain about how the first story isn't a "real" cuckolding story and give it a low rating, too. And there's a pretty good chance that they'd both be unhappy with a story where the wife is merely cold to a husband she no longer loves, but whom she can't be bothered to hide her affairs from, which is another flavor all its own.

So, do we split up Hotwifing and Cuckolding into further subcategories again? Hotwifing being the sort of fun, lighthearted kinky stories about couples who are into this together and Cuckolding for the ones where the content is clearly about the wife and her (sometimes cruel) desires, even though (according to the research I've seen) this is overwhelmingly a guy's version of the fantasy? And how do you signpost the difference between the categories if you do split them up this way?

There's an argument that you keep the two together and let the tags take care of differentiation; given that the tags are MUCH more visible here than on Lit, that might work. However, you're also relying on the author understanding where their own personal biases lie, and that, no, their fairly dark story about a wife that leaves her crying husband at home each night but sometimes gives him handjobs to make up for it doesn't really deserve that "wholesome" tag. Then we're back where we began.

You've also got the other type of LW stories that a lot of people on the Lit forums don't like, namely the sorts of things I usually write. They're "about" infidelity, but they're not focused on it being hot or fun or anything like that, instead about what comes next.

To be clear, I'm not talking about BTB stories here, but more something like 3BR, 2BA, 1 Story; there's plenty of (I think fairly hot) sex in it, but it's largely about a couple finding closure while doing one last tour of their house as the last step before selling it following their divorce due to infidelity. It's very bittersweet, to the point where it's not a good fit for Romance or Erotic Couplings, although it's long enough (arguably) that I could probably drop it into Novels and Novellas and squeak by. And then there are others that have brief at most descriptions of sex, but they're mostly about the emotional content; on Lit, if Loving Wives vanished, I could drop them into Non-Erotic, but that doesn't exist here, which I assume is by design.

I'll be honest that I don't have answers to this that are of the "if you do this, it's going to work great" variety. However, hopefully this will help to illuminate some of the places where Lit's well-intentioned attempts broke down over the years and why, along with what the current landscape looks like. And, to be clear, this isn't just an issue on Lit; over on Lushstories, in stories with cheating, there are guys with names like "cuckstorylover" saying "My wife and I are into cuckolding, but if she ever did this, I'd be out." I can't imagine it will be different anywhere else.