These are changing times, the anthem has been changed at least three times over the course of history, for those who care to read:
https://en.wikipedia.org/wiki/O_Canada
Perhaps the original authors did not foresee the decimation of the aboriginal peoples that was yet to come, everything from deliberate smallpox infections, abuse and murders at residential schools and forced re settlement. Basically a modern genocide.
So now that the bodies are showing up in numbers, artifacts stolen being returned, this small concession to make amends to our aboriginal brothers should be allowed.
Pretty sure if it was put to a vote for the change it would happen.
Lets face it folks just about nobody these days under 30 years old actually knows the words in any event and half over thirty years don't even bother to sing it when they should. IMHO