I can not agree. As I said, potato and apple meet in half of my regional dishes. And those are farmer's food, not rich.

Scandinavian and Alpine dishes love lingonberry sauce on dark meat or schnitzel.

I think the best way, is to not think of "western cuisine" as a thing that exists uniformly.

PS: obviously we cook differently than SE Asia, but red cabbage is sweet, carrots are sweet and caramelised onions are sweet. And they are really often used with savory dishes.