So?
> It's a framework that's designed to sound plausible, like a horoscope. It's not designed to be accurate, it's designed to make you go, "oooooh" and repeat the trademark. "Having relationship issues? Oh, have you heard of the Love Languages®? I read about it the other day..."
That sounds like you think it was constructed in bad faith. Do you have any evidence for that?
A model that's simplified can still have value even if it doesn't perfectly fit every situation.
> If your partner doesn't want to touch you, what's the most likely explanation? That they "don't speak your love language", or that they aren't attracted to you?
I'm only passingly familiar with the love languages thing, but I think it does have a point, and I've experienced some of the differences in relationships that is schematizes. Reducing it to sexual attraction is kinda missing the point.