You state that "the Warsaw Ghetto was cleared out in 1942". This is not correct - approximately 50,000 remained. The Ghetto was finally cleared out and destroyed in April 1943, after the Ghetto Uprising was crushed. I'm rather surprised to find such an error in "Tablet"!
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: For first time, Poland marks deportation of Jews from Warsaw Ghetto