Yeah, I like wholesome as well. But I think you two give too little credit for the other companions.
Sure, Ryn is great, I quite like her. But saying she's the only wholesome relationship? Have you never met Brienne my friends? Lady is the embodiment of wholesome from head to toe - or hoof I guess. Sure, I'll grant that she's very horny most of the time, but the sex is passionate and full of love, and she does have gentle tender moments like hugging champ from behind saying Garth might be missing the most attractive patron, and while stargazing together you can say the beautiful night sky is mundane when compared to her. How can you say this is not wholesome?
Even Arona has gentle moments, like when coming home from adventuring you can give your pregnant subazon a foot massage to help her relax, showing you cherish and appreciate her.
Kiyoko has lots of stuff, petting, dinner, bathing, helping with births, family events...
If what you're asking is simply more, then I can only agree. I'd like more for all of them too. But saying what we already have is not wholesome? Nah, that I cannot agree with.