[throwawaypath]

>You say tomAtoe, I say pogrom, lets call the whole thing off

You say pogrAm, I say deporting illegal criminals, lets call the whole thing off and remigrate them.

>In europe, when was the last time a mass ejection of normal people, who've not committed crimes, beneficial?

These are not "normal people", they are not citizens, nor indigenous to Europe.

>When did it end well for either the ejectee, or the remaining domestic population?

Reconquista is one example of many.