Yes, the black Congressmen who do what they can to protect black jobs at USPS also do what they can to protect those white jobs at USPS.
“The 28,000 rural post offices that are no longer needed are manned primarily by WHITE WOMEN.”
Small offices in my area have been cut back, and they are on the frontier of the Newark Food Desert (suburban bordering on urban). A healthy mix of “preferred minorities” (including white women); any white guy I’ve seen is over 50 (hired when they were allowed to hire white guys).