Yes I agree. We have a 'Waitangi' day here in NZ, which, on the surface, is a more inclusive term of a day both white & Maori indigenous peoples can enjoy.
But, devils advocate hat on, I'm not in favor in denigrating the settlers of either AU or NZ. Most of them were working-class people ignorant of the wider colonialist agenda, and they carried with them the typical racist attitudes of the day.
And keep in mind that colonialism is a part of capitalism. The best thing that anyone can do is to accept the reality of capitalism and work towards a future where it is a filthy 10-letter word.