In my own mind, I would assume that generations to come would only be interested in the kilt because of a Scottish connection. They would, therefore, be more interested in Scottish tartans; e.g., clan tartans. If the connection is so deluded as to remove the connection between the individual and the ancient clan system, I can only guess that people would stop wearing kilts (except a few people who actually live in Scotland and those who wear it for reasons other than a connection to Scotland).