Spend a little time searching the interwebs for this new white man self hatred practice - many universities and socialist government entities are adopting this in their virtue signaling.
Humans have conquered each other for thousands of years. It's just how it goes. To the winner the spoils and the loser should have been better prepared.
So how far back do the acknowledgements go. What about those that had the land before the group being acknowledged? And the group before that, and the group before that, and the... well, you get the idea.