There is evidence to suggest this has been going on since before WW2[1]
https://www.oxfordbibliographies.com/display/document/obo-97...
https://www.oxfordbibliographies.com/display/document/obo-97...
Your claim is vague and spooky. Please clarify what you think “they” have been doing.
Now that it exists though, I'm afraid we must accept that and work with the new status quo. We can't just displace or kill a couple of thousands people for historic justice, right?
Edit: Downvote me, I'm endlessly pissed over the hypocrisy of my own country on the matter.