Is everyone in Gaza a member of Hamas? Is it only the 200,000 Gazan casualties so far? How many more hundreds of thousands of Gazans need to be eliminated to

Is everyone in Gaza a member of Hamas? Is it only the 200,000 Gazan casualties so far? How many more hundreds of thousands of Gazans need to be eliminated to wipe out Hamas? I hope the answer to that last question includes those joining Hamas because of the first couple hundred thousands of Gazans killed.