Nice try, Oxford. But the core of Eurocentric colonialism goes well beyond musical notation. Consider this:
"...a document even suggested that teaching musical notation — because of its association with the colonial period — would be harmful to some students."
Well then, what about the harms of teaching colonial "literary notation" - commonly known as "writing?" In English, of course.
Colonizers forcing their own language and forms of 'literacy' on those they colonize is a cornerstone of occupation and conquest. It's fundamental to destruction and assimilation of pre-existing cultures.
Oral cultures are singled out for special abuse. Written literacy is assumed to be a pinnacle of human achievement - by the colonizing cultures that wield it as a weapon in destroying rich and ancient oral cultures.
I wager no oral cultures ever thought of themselves as "pre-literate" - or as suffering from a lack of written literacy. So following this thought:
"It is important to recognize that Western musical notation is not appropriate for all of world music. It presupposes a Western musical scale when other types of world music separate tones in different ways."
...it is important to recognize that Western literary notation is not appropriate for all cultures of the world. It presupposes certain limited manners of understanding, while other cultures' forms of spoken and written expression offer invaluable diversity of manners of understanding.
Also, that dominance of English, as a written and spoken language, is destructive to other cultures, as is the imposition of written language on oral cultures.