Possessing of enough military force to ignore others rights would be more historically descriptive.
Even if they had fully understood all the nuances of indigenous property rights, they still would have stolen the land. Confusion was just a fig leaf.
Not in a morally absolving the attacker way.
But in a you had agency and chose to underinvest in defense way.
That said, it's pretty unlikely the rest of the world could have defended against a technologically advanced Europe / Middle East / China, at their respective peaks, and especially after transoceanic sail enabled cross-sea logistics.