How many Gazans are left in Gaza? How many Jews were left in Ukraine? Hell, how many Ukrainians remained? About 15% of the Ukrainian population was slaughtered, and the Nazis failed in their war aims. The Israelis succeeded, there is no force stopping them except their domestic politics.

Even if you for a second ignore the blatant nazi apologism and focus on the core claim of cruelty, the Nazis committed every one of those atrocities you’ve named, on a scale multiple orders of magnitude greater.