Since this is about the "traditions" that go hand in hand with wearing the kilt, and not a polemic on the socio-economics of kilt wearers, or the rights of minority groups, I will address that question you have raised that is on topic:

Quote Originally Posted by Lyle1 View Post
Who benefits when tradition dictates the color of one's shoes or sporran or by being told what to wear for every occasion?
The beneficiary is that individual who may be unaware of the customary mode of attire associated with wearing the kilt on a specific occasion, but none-the-less does not wish to appear ignorant in front of his peers.