One could simply have no attraction to their own race without some deeper rationale behind it. They could simply have no attraction to general characteristics without adhering to stereotypes.

Even if there’s a stereotype attached, what’s really being really? One can exclude entire groups of people from their dating pool for any reason, up to and including stereotypes.

It’s an incredibly intimate decision and people will nitpick potential mates to ridiculous degrees I’ve seen women exclude men for eating Cap’n Crunch and men exclude women for having “too many furry accessories”, both of which are easily more ridiculous than some generic stereotype.