Because the Nazis weren't murderous enough for the Banderas.
Massacres of Poles in Volhynia and Eastern Galicia, 1943-1945
Thanks, but they know all that, and it’s JUST FINE with them. No different than the small number (thankfully) of people who still idolize Hitler.
Anyway, the ones in Ukraine will soon be shown the errors of their ways and ‘encouraged’ to reform, if they want to live.