Aye, faurin ane dialect o Lallans ower anither daesna hae tae mean exterminatin or repressin the ithers. It semplie means that this wad be the kynd uised for offeecial ettles an aiblins schuil curriculum.

Think on English, for ensaumple. It wis decided lang syne that certaint dialects o the Sooth East wad be promoted insteid o, say, the Yorkshire dialect/accent. This daesna mean this dialect/accent is unricht, just nae uised for things like newscasts.