Because allow/blocklist are just as old if not even older and are way clearer terminology.

“white” and “black” there are metaphors, the “master” in git branches and SCSI isn’t.

See at some point you have to ask yourself the question whether you’d be opposed to the change if blue-haired college students really into performative politics weren’t a thing. Imagine the idea coming from your slightly computer-illiterate 60yold shop floor boss saying “I don’t want to think about the terms here, I want to do CAD/CAM. Speak English, whippersnapper”.