You just described a genocide, like one of the plain text definitions of a genocide. Mass murdering a group of people to steal their land.
Doesn’t matter that you’ve made up a hypothetical fantasy scenario where they aren’t caged in cornered, but have free movement, it’s still a genocide.
Oh, and they aren’t free to leave, they are caged and cornered.
So you’re wrong, and you’re wrong again.
That’s a curious new benchmark for posting comments and opinions on this subject. You can only do so if you also have case files and evidence to forward to local prosecutors and police of crimes in your area.