Why haven't any of the Black Male X-men caught on other than Bishop?

[Devaishwarya]

Unfortunately, Sunspot is NEVER drawn as being Afro-Latino.

What does Afro-Latino actually look like? Because, as with Black people...Afro-Latinos come in different complexions, facial features and hair colours and textures.
And if you meant as he was depicted in Claremont's New Mutants with dark skin and black curly hair...then he was illustrated like that in the first few issues of HiX-Man's New Mutants by Rod Reis.