Tolkien on Gaelic

[Bugbear]

I've been looking over, The Letters of J. R. R. Tolkien,
edited by Humphrey Carpenter, and Christopher Tolkien (Houghton Mifflin 1st pb ed., 2000).
He does bring up Scotland here and there and discusses a newspaper called "The Scotsman."

However, this caught my attention because of the discussion we were having in the elf thread about Tolkien's theory (really conjecture) of the aesthetics of language in relation to culture. In the letter, "Drafts for a letter to 'Mr. Rang'" year 1967 (297 ), when Discussing Elvish language says of the Gaelic language:

* Edit: quote removed to end discussion in thread.*

Not too friendly toward Gaelic...
I tried to get all the italicized words done correctly.