Quote Originally Posted by Karl R View Post
So ... if you were buying a rugby jersey to wear when attending a match, would you choose one based on your favorite colors ... or would you choose one based on the colors of the team you're cheering for?

I might wear a shirt with my employer's logo on it. I wouldn't wear a shirt with a competitor's logo on it, regardless of the fabric, the cut, the color, or how well designed the logo is.

When I was a student, I wore a letter jacket in my school's colors. I wouldn't have chosen other colors, even though it would have been easy to find colors that I found more aesthetically appealing.

Clothing is used to demonstrate our affiliations. For kilts/tartans, that's frequently a familial affiliation.
You hit the nail on the head Karl. There is the idea of defending an alternate choice if you have the fortitude to do so. Often, confrontation will not arise.