Not at all. Of course, in this site you'll have a very specific population that is answering. Lots and lots of couples just like to find someone that she is attracted to, and for most women that is any man that is really interesting, be it white, black, asian, indian, native american, etc.
Also the narrative regarding sizes is in most part pretend play. My ex had the biggest thing I ever saw from a white guy, who had a monster cock the size of her forearm and hand, and the girth of a 12fl can of soda.
That being said, in the USA particularly is a turn on due to historical and cultural reasons, but finding an attractive, interesting man to have fun can prove as difficult as finding wives that are into it.