The real reason Poland was allowed to opt out of the refugee resettlement program: Poland shoots illegals, and the High Mighty Mucky-Mucks can't afford to have all of their invasion forces shot before they are ready to spring the trap.
“Trouble rather the tiger in his lair than the sage among his books. For to you kingdoms and their armies are things mighty and enduring, but to him they are but toys of the moment, to be overturned with the flick of a finger.”
― Gordon R. Dickson, Tactics of Mistake
― Gordon R. Dickson, Tactics of Mistake