Got to say as a long term biker and current GS owner, I havent noticed any bike brand snobbery at all. I even wave to scooter riders!
As for the HD thing, it does make me smile. They often come past underneath the balcony where I do race officer duty for the boats. To a man they are scowling, dressed in black, trying to look tough and "patch club". But whenever I have met any of them and stopped to chat they have been very friendly.
Which is not to say that HD bikes arent an abortion because they are