Those who like to see the stats broken down by race do so because they get a perverse kick out of showing that blacks and Mexicans have higher rates of unwed mothers.
Then they can infer without saying so that white females are somehow more virtuous than those"other women because they are more "responsible and moral" which is nonsense to anyone who has spent any time with the current crop of women of ANY ethnicity whose morals are dictated by MTV and the whole Sex and the City ethic.
When you spend your life noticing that blacks and now Hispanics seem responsible for most of the social nastiness around you, at the same time they are accorded every conceivable government and social benefit (and that at the expense of generally better-behaved whites), it's nice to see some stats that show what you know to be true anyway. That may be a generational thing, as now more whites adopt the trash culture embraced by blacks ever since the Great Society destroyed their family base. Tony Brown warned in his Black Lies, White Lies that whites should never be content to just watch blacks rot on the vine, because every social malady in black culture eventually migrates into white culture. He seems to be right on in that assessment.