So following your logic,(1) every Palestinians attack (particularly if successful in killing Israeli soldiers) strengthens Israel right wing, (2) Given enough time without any attacks by Palestinians, Israel would be governed by secular left wing, peace loving surrender monkeys who would give Palestinians everything that they want. and (3) Palestinians do not follow this strategy because they want to lose and greatly admire Israeli right wing politicians. Hey, maybe we're getting somewhere on figuring this out.
PM: We'll surround ourselves with fences in defense against the wild beasts around us (Haaretz)
from the article: They fell asleep at the wheel