Obviously some folks do feel there is a difference. What possible other motivation would the PA guys feel for posting in the way that they did (which, for the people who don't read that site is not particularly well represented by Bren's characterization)? I seriously doubt that someone held guns to their heads and made them write it.
The ability to dual boot is really quite nice. I use both types of machines; I own both types of machines. If I could just carry one laptop, use it in OS X for most stuff, and boot into Windows (or virtualize it) for VPC and some other stuff, I'd be overjoyed.
