Um... Well, it depends. Myself, personally, my mother(with slight help from my father) taught me how the basics on how to be the perfect gentleman and treat everybody, particularly females, with respect. I am a 20 year old straight male whose parents are both Mexican and Filipino. Both are the third generation in the United States. I don't have a set "preference". Unless considering "smoking" and "partying" and "social media Whoring" and "real life Whoring" and being "perpetually unexclusive" is considered a preference. Then I totally have a preference lol There are things that I like, but nothing that they HAVE to have. I've been attracted to a myriad of different looking, sounding and thinking people lol
My... Dating record isn't exactly the best, but none of them have ever had any complaints of not being treated correctly. If anything, that's the problem haha My ex girlfriend actually told me that I'm too kind and giving and respectful of a person to ever be with somebody. Which, is quite interesting. With most kids around my age, I'm not exactly the ideal person to be with. I notice most of the compliments on my demeanor and upbringing come from older people, usually from 35-78. At work, I have returning customers who don't buy anything from the store, unless I'm there to help them and talk them through it. I know that's not dating, but it's still a relationship, you know? Haha
Anywho, I feel like the... Americanized Latinos are the ones who give a bad name. I know quite a few people who won't date Mexicans, due to the fact of how disrespectful and uncaring they are. While a few may not be a representative for the communities, it's becoming more and more problematic where I live.
I will also throw in that it's all about upbringing... Regardless of nationality, it's about knowing/being taught morals and having common sense, and having an open mind.
I hope this answered your question and that it makes sense lol I kind of just started typing!