Pretty much the only Muslims in Poland are the Tartars who have been there for centuries, and have never caused any problems there.
That's how many of us used to think of "Californios" and "Tejanos", then "Latinos" for many years.
Long time residents whose ancestors came from elsewhere will need to take a stand on one side or the other...
Haven't seen too much of that so far in California and the southwest. Probably not so much in Poland either, but stay hopefull.