Both. She is likely attracted to facial hair for genetic reasons as they a secondary sex characteristic of men, and to middle aged white men because she learned that they have more status and resources, in general, than other racial and age groups. One way she would have learned about this is from millennials who never had to worry about a thing until adulthood batching about how baby boomers have more money than them night and day. Older men probably look more attractive in comparison to younger men by virtue of not being complete pussies.
