He's doing the classic anti de-colonization argument of, "well sure we got here illegally, but it would be mean to kick us out now, you'd basically be 'colonizing' us in reverse!"
It's like a home invader saying they chased you out, so they live there now, and now it's you invading their home!
And then of course calling 70 years "ancient history" LMFAO. Guess my dad is "ancient history"!