A "restricted" Robertson Tartan?

[jsrnephdoc]

Yesterday I bumped into a YouTube discussion between the principals at USA Kilts regarding "forbidden," "restricted," and "Oh my God, I would NEVER wear THAT" tartans. Don't know why it appeared in the sidebar of my browser, but I clicked the link and watched a good bit of it. They talked about why no one but the Royal Family members would ever be countenanced wearing Balmoral, why it might not be cool to wear Black Watch in Ireland, why some organization-related tartans have symbolic exclusivity, and why "family" tartans generally can be worn by anyone in Scotland just because the wearer likes them.

However, mentioned in passing was a dust-up with a Robertson Clan Chieftan's "personal" tartan, but that was not elaborated upon.

Does anyone here know the story behind that? Nothing I could find on the Scottish Register of Tartans website provided a clue

[figheadair]

However, mentioned in passing was a dust-up with a Robertson Clan Chieftan's "personal" tartan, but that was not elaborated upon.

Does anyone here know the story behind that? Nothing I could find on the Scottish Register of Tartans website provided a clue

I wonder if it was a reference to the Robertson with the white line that is sometimes (without authority) referred as 'the chief's sett'. It is worn by the current chief.