It is factually the only way to even begin the end of the cycle of hate and violence. Hamas has, as part of their core principles, the destruction of Israel and genocide of the Jews.
They also have, in their charter, an acknowledgement that every Palestinian is expendable to accomplish this. They do not value Palestinian life.
You cannot reason with that. You exterminate that.
I love that people can just add "factually" to things and they become true.
Factually, it'd only create more of them. We've seen this before. Killing them only pisses off their friends/family/others nearby and spreads it. The only solution is change coming from internally, which also has to happen in Israel. As long as a Zionist is in control killing Palestinians, there's always going to be conflict.
Since when was the goal in WW2 to kill every member of the Nazi? The actual goal is to stop the war. Attempting to purge Palestine of every Hamas member is destined for failure and only perpetuate the conflict in the long run.
Honestly, possibly. It didn't get rid of them at least. Many were hired by the US and Russia, and many fled in particular to Latin America, where they still use Nazi symbols today.
That's not to say the war was wrong or ineffective. It's a different situation. Many people stopped following the Nazis because they were shown the atrocities the state committed. Most of this was hidden from the populace by the Nazi party. That and them no longer benefiting from the party is what drove most people away, not losing a war.
For example, the French people fought well after the state surrendered in WWII. The state losing the war will not stop people from fighting if they believe in the cause, and especially if the oppressors keep harming them. This is more equivalent to the situation in Palestine/Israel, not the Nazis.
You do realize that every Hamas member has families and friends, right? You kill them and their loved ones now hate you, their kids will likely grow up into vengeful extremists and anyone caught in the crossfire won't view you positively either. Your method only works if you completely genocide Palestine, now there's no one left to hate.