Do they exist? Yes, yes they do. While hardly a wellspring of great international eats, Santa Clarita and the Antelope Valley are hardly BFE . There are plenty of decent places and some real surprises, but more on that some other time.
I get tired of the attitude that’s it’s complete nowheresville (or worse). I find it sorely lacking some of my interests, but eating out/dinnig isn’t one of them. Though one’s mileage may vary, especially if pre-disposed.
These two areas have Armenian, Korean, Indian, Colombian, Salvadorean, Thai, Vietnamese and “Mediterranean” among its restaurants. In the past, Oaxacan, Hungarian, Persian and Peruvian had representation. There are also some decent “American” places, sushi spots, etc. Spectacular? No. But, far from a wasteland. Though again, one’s mileage may vary.