If you read more than the headline it might better your understanding.
Racism is the belief that different races are distinctly inferior or superior to one another. [1] I don't see anything in the author's post or the product that indicates they believe Black people are racially superior.
Segregation, specifically in context of what King was fighting for, means spatial or institutional separation of the races. [2] Clearly not the case here, they are pushing for more representation of Black people in media, not less.
(There are other civil rights leaders you can invoke besides MLK when you're feigning outrage btw)