And it should be pointed out that the whole point of locations is that they be basically what the death camps are today- aka, public places, museums, etc. It's entirely possible that they were not added to troll, but simply on the idea of "hey, people are around here to learn, lets put a portal here because it is interesting for the players who come here".
That could be, or they could have actually known there was a concentration of Jews in the opposing faction in their area. We can't tell from here. Given that this is the internet we're talking about, I'd give about even odds.