So by that definition knowledge = snobbery
What definition? I wasn't aware I posted a definition. What I did say was that there is a segment of the kilt-wearing population (not all, of course) that look down there noses at anything that is not a hand-sewn, 100% worsted wool kilt. That is a fact, and it is also a fact that this attitude has been shown in a few posts by a few members of this forum.

Does that logic apply to people that can tell the difference between an acrylic kilt and a custom fit Polyviscose kilt?
And exactly how many people is that? I'd wager that it's darned few, even if you limit your pool to the people who wear kilts. Of those that can, I'd wager that most wouldn't care (and a few would).

The majority of folks I run around with in the Scottish community are traditionalists, but yet I've never heard them say anything down right mean or rude to someone in regards to Highland attire
Now, go back and read the Kilts Dos and Donts thread again, and see how many of the responses to less than perfect outfits come off sounding a little bit snobby.

Just like there a fair number of folks who assume that every traditionalist is a snob.
There may be, but if you're talking about me, you'd be wrong.

I've said before, and I'll say it again: some of the most intolerant people I have ever met have claimed to be tolerant of others.
This I can agree with. On the other hand, in quite a few of the threads about SWK (or Frugal Corner, for that matter), someone seems to jump in to make sure everyone knows that their product doesn't compare to a hand-sewn, 100% wool kilt. Why is this necessary? That is the (apparent) snobbery I am talking about.