Either I'm Polish or I'm not.
Of course you are not. Seek therapeutic help if you think you are.
He certainly isn't American nor does he live there - nor indeed Cuba or Mongolia.
North Korea?
Your man's OP is a classic. It has all the tried and tested, seasoned troll basics
Yes, he seemed a troll to me even before I finished reading his opening post. There is this ... something, I don't know what it is exactly, which always gives the troll away. And he is probably Dutch since he wrote 'nieuws' rather than 'news'.