John Kirk,
I tend to agree with you.
Years ago I suggested to Brad Klein that a "filter" of sorts be introduced to the rating system such that regional bias could be reduced or minimalized.
I felt that an equalizer or quality control point was needed in order to mute regional bias.
It's difficult to do since most raters will rate courses close to their home.
Inherent bias doesn't mean that someone is incapable of being objective.
As an example, an architectural buff, who's a NJ resident, whose golfing experiences are limited, or expansive, would be hard pressed NOT to recognize the superior architecture and products offered at the courses at Bandon, Pebble, Kohler, Sand Hills, Wild Horse and other distant sites.
While he might be predisposed one way or the other that doesn't mean that he's incapable of recognizing the architectural and playing merits of those golf courses.
He may prefer his home course due to convienence and familiarity, but that doesn't mean that if provided the same opportunity to play the courses mentioned two paragraphs above, that he wouldn't consider them as peers or superior to his own course or the local courses he prefers.
As to pedigree, that would seem to be more of a factor attributed to limited play, no play or just arrogance. I see pedigree in a different perspective.
I've encountered more people who dismiss a course vis a vis, pedigree.
I've heard people state, "if it wasn't designed by X, nobody would have heard of it." So, I believe it tends to be more of a negative than a a form of reaffirmation..
I think "STYLE" is the real bias under the "courses for horses" theory.
I admit that I happen to prefer wide fairways with highly interesting greens and green surrounds..
That doesn't mean that I don't recognize the merits of courses without that configuration, but, given the opportunity to play a "Style" of course day in and day out, that's the style I'd choose.
NGLA, GCGC, Seminole, Hidden Creek and others come to mind, but, other courses have their appeal as well.
If I'm introduced to a course with wide fairways and interesting greens and green surrounds my natural predisposition will favorably incline me toward the "golfer - golf course " connection.