Of course it is! That is their modus operandi. They count on people like you to be ignorant of, forget, or disregard history. In that vein, I ask you, What was their excuse before 1967, when these "territories" belonged to Arab countries?
The so-called occupation is just the latest pretext. If your remedy is applied, they will just find another excuse to continue the attacks they've been mounting for 54 years. And you, the media and the left will buy it.