Your explanation is trying to insinuate that it’s because they’re black, but they deliver to black neighborhoods inside SF limits, therefore you can’t just say

Your explanation is trying to insinuate that it’s because they’re black, but they deliver to black neighborhoods inside SF limits, therefore you can’t just say “oh they’re racist”. If my original example is what we went with, you could because tenderloin is smack dab in SF, and it would be clearly discriminatory to pick up passengers from everywhere in SF except that one neighborhood.