The reality of what the fire blog post points out is that students in the "white," "black," "hispanic," and "Asian" blocs experience LESS feelings of self-censorship from their multiracial and American Indian counterparts.
FIRE's analysis of the data reads: "According to the survey, one in five [b]lack students report self-censoring 'fairly' or 'very' often, as do almost one in give Hispanic (18%) and Asian (17%) students. These percentages are higher for multiracial students (22%), American Indian students (25%), and students who identified their race/ethnicity as 'Something else' (32%). when it came to sexuality, students identifying as heterosexual/straight or as 'something else' self-censored most often."...