[TranceMan]

I agree, maybe the title could be editorialized in this case.

I was browsing the /r/London subreddit so assumed too much context for a global forum

[colanderman]

Agreed, "I drive a black cab" would be much clearer for us Yanks. I assumed it was a race thing too.

[callumlocke]

Would you be OK with me asking you to avoid using a standard U.S. English phrase so it's clearer for us Brits?

"Black cab driver" is part of our lexicon. It carries a lot of cultural meaning, and it's always phrased like that. You briefly misunderstood it as race-related, then you learned what it means. I don't see a reason to change anything.

[colanderman]

Yes, I would be OK with that.