Actually, the elected government is responding with full-on ethnic cleansing: https://www.timesofisrael.com/netanyahu-implementation-of-tr...
Truth of the matter is that it's very challenging to fight an army of 40k terrorists who are intentionally mixed with civilians in order to maximize civilian casualties. How would you deal with a terrorist organization like that? I don't think anybody has a good answer.
> Ethnic cleansing is the systematic forced removal of ethnic, racial, or religious groups from a given area, with the intent of making the society ethnically homogeneous
The term makes no distinction on how the cleansing is achieved, be it forced relocation or genocide, both meet the definition equally.