Yes, because they are far more likely to be raised in homes without fathers. But if you admitted that is a large part of the reason, you couldn't blame racism and you wouldn't be able to make a living as a diversity huckster.
It takes some education and social skills to be a server. One of my favorites restaurants has one rude black server. Acts like she’s doing you s favor. I started waiting longer if necessary to avoid her section. Chip on her shoulder attitude often ruined our meal.