Yes I've had interactions with racist Mexicans, but at the same time I'd be lying if I said I didn't have Mexican friends who's mothers didn't even speak English and treated me like family.
That doesn't change the fact that Mexicans racism towards blacks is, for the most part, one sided.
I've never met a black person in real life who hates Mexicans, or doesn't want their children dating Mexicans.
I've never heard any stories of Mexicans being murdered or beaten up for going into black neighborhoods.
Or feel as if their superior to Mexicans.
If I'm going solely based off my experiences, that's Mexicans