It is a shame to focus on petty fumbles. Poles (catholic & jewish) are proud of the ghetto fighters as it is a symbol of courage and unity. I would recommend reading Marek Edelman's biography. Unfortunately many Israeli's shunned him because he was never a proponent of zionism.
Police arrest 18-year-old Palestinian suspected in Old City stabbing (Haaretz)
from the article: In Poland, a well-meaning commemoration of Warsaw Ghetto uprising