For context Likud was the first party that dethroned the so-called "labor" party in 1977. Prior to that the "labor" party would always lead the regime. The liKKKud platform at the time had as its first point:

a. The right of the Jewish people to the land of Israel is eternal and indisputable and is linked with the right to security and peace; therefore, Judea and Samaria will not be handed to any foreign administration; between the Sea and the Jordan there will only be Israeli sovereignty.

https://www.jewishvirtuallibrary.org/original-party-platform-of-the-likud-party

The destruction of the palestinian people was always part of their plan.