IDK, I don't mind when people take liberties and they know it. I've read at least one book where the author put in a forward saying "hey, I know this is wrong, but I'm doing it for plot reasons. Apologies for moving the geography around a bit."

I mind a lot more when it's something that a ten-minute Google or Wikipedia would have prevented (or even just having a local look it over) and it's really clear that the author just doesn't know any better. Then it's careless and sloppy, and it bugs me a little-- at least, enough to laugh at it (X-Files, I'll never forget that Metro station in Georgetown, that was a hoot!). OTOH, sensitive things like this, where you're basically slamming people's homes because of privilege + don'tgiveashititis, that's worse.