Ah yes, the white working class hate that the minorities will have a chance to elect people of their own race. Very progressive of them.
You don't need a majority minority district to elect a minority candidate. See SC-Sen, UT-4, TX-23 is 75% Hispanic and they have a black representative. People don't necessarily vote based on who looks like them. I mean for next year, I'm a Hispanic college student supporting a black candidate for NH-1
"increasing minority representation" means increasing minorities' ability to choose representatives, not increasing the number of minorities in Congress.