That's hard to believe. People compartmentalize. Many of them have a traditional or orthodox theology and a long-standing attachment to the Democrats. It was like that with the grandparents of many of today's (White) evangelicals and it's like that with many Black Christians today. I really doubt there's much support for "genocide" in churches today, Black or White.
Up until the late 1950's, most blacks were part of the Republican Party since the DemoRAT party was the party of lynchings & segregation & brutality against blacks. My point is that I doubt that very many of the 98% of blacks across America who vote for 0dumb0 & the segregationist demoRAT party are truly born again Christians. Instead their religion is the religion of leftist-socialist-marxist ideology, hate Whitey, black liberation & a social gospel. This is a counterfeit Satanic gospel, and there is nothing Biblical about any of it or of the 98% of black churches who espouse this.