Yes, they usually do it slowly to avoid suspicion but when the situation is convenient they go ahead and take a big bite out of Palestine.

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That’s how they have been operating, even before the establishment of Israel:

Before the 1948 Arab-Israeli War broke out, the Carmeli Brigade’s 21 Battalion commander had repeatedly damaged the Al-Kabri aqueduct that furnished Acre with water, and when Arab repairs managed to restore water supply, then resorted to pouring flasks of typhoid and dysentery bacteria into the aqueduct, as part of a biological warfare programme. At some time in late April or early May 1948, - Jewish forces had cut the town’s electricity supply responsible for pumping water - a typhoid epidemic broke out. Israeli officials later credited the facility with which they conquered the town in part to the effects of the demoralization induced by the epidemic.[54]

Israel’s Carmeli forces attacked on May 16 and, after an ultimatum was delivered that, unless the inhabitants surrendered, ‘we will destroy you to the last man and utterly,’[55] the town notables signed an instrument of surrender on the night between 17–18 May 1948. 60 bodies were found and about three-quarters of the Arab population of the city (13,510 of 17,395) were displaced.[56]

https://en.wikipedia.org/wiki/Acre,_Israel#1948_Palestine_War

It is evident that that is their modus operandi because now Gaza’s water system is destroyed, and I suspect they will take Gaza just like they took Akka.

Israel taking over Palestine has been the plan since the beginning, as the founding fathers of Israel themselves announced:

Zionist leaders, in particular David Ben-Gurion, viewed the acceptance of the [United Nations Partition Plan for Palestine] as a tactical step and a stepping stone to future territorial expansion over all of Palestine.

Then they started.

Between 1947 and 1949, at least 750,000 Palestinians from a 1.9 million population were made refugees beyond the borders of the state. Zionist forces had taken more than 78 percent of historic Palestine, ethnically cleansed and destroyed about 530 villages and cities, and killed about 15,000 Palestinians in a series of mass atrocities, including more than 70 massacres.

All the theatrics about Israel’s right to defend itself etc. are just cover for the long history of horrible crimes and human rights violations Israel has perpetrated (and continues to perpetrate). There is a reason that people are mad at Israel, and it has nothing to do with being Jewish.

So yea, Israel is going to continue overtaking Palestine, unless they start being held to international law like everyone else. Germany and USA impede on that process, but hopefully the rule of law will triumph because

Those who make peaceful revolution impossible will make violent revolution inevitable.