[MrB]

Mac owners HAVE to be arrogant. That’s all they’ve got.

I'll generalize further -

LIBERALS HAVE to be arrogant. It's all they have.

[ashtanga]

Mac users are part of the anointed, and they see themselves as unappreciated fire bringers. That said, I just smile and let them carry on about racist hurricanes and what have you. They seem to be humorous, intelligent if ignorant, and well mannered.