Maybe instead of judging non-pokemon fans for playing the game, why not encourage them to learn more and help them out? Some people are acting like those annoying music fans that tell people to name 5 songs from a band to prove they're a "real fan". It's not a bad thing to become a new fan of something.
Other than that, I don't have it downloaded and don't have much of an opinion on it. My only concern is that people just have to make sure they're aware of their surroundings and take care of themselves. Oh, and that there was Pokemon found in the Holocaust Museum... not a good idea.