It Looks a Lot Like England, But It is a Lot Smaller.
One could say that everyone who lives in the criminal underworld in the united kingdom is British. This could be the right answer. If they really needed an explanation for why Lucifer is the only character on the show who speaks English with a British accent, that’s all they can come up with.
Everyone else communicates with one another using American English. In spite of the fact that we attempted to disprove their argument, we are aware that it is compelling and worthy of consideration. We are making jokes about the current predicament, and we want everyone to be aware that we are doing so.