because progressive politics appeal largely to pie in the sky people with little real experience.
its why you tend to be progressive when youre school age but it slowly seeps out of your body the more time you spend in the real world around people.
black progressives learn everything from white liberals and attempt to attach that idiology to black life in America...
it doesnt work because it makes the assumption black people trust dominate society enough to give them control
it also assumes black people dont like having their own, having businesses and all the creature comforts our current society provides.