It's a very interesting question.
There is a top notch, award winning Indian restaurant near me (The Indian Ocean) that is actually owned by a white, English chap and yet, ALL his staff are Asian! Now he obviously has a handle on what is expected from a customer perception, and for this reason, only employes Asian's.
At weekends, the restaurant puts on entertainment such as, singers, kareoke and so on, sounds tacky, but it works. The place is packed out all the time. Im guessing this is purely down to the owner as I couldn't imagine Asian owners would put on such performances.
I personally, would prefer to be served by an Asian in my local BIR, but then again, I prefered it when all BIR's were decorated with red velvet wallpaper and had some good old indian folk music going on in the background ;D
Ray