If you've wonder how long before they go there, that time would be now. From a blog post, now taken down, from the The Times of Israel
Prime Minister Benjamin Netanyahu clearly stated at the outset of this incursion that his objective is to restore a sustainable quiet for the citizens of Israel. We have already established that it is the responsibility of every government to ensure the safety and security of its people. If political leaders and military experts determine that the only way to achieve its goal of sustaining quiet is through genocide is it then permissible to achieve those responsible goals?
Here's a
link to the story at TPM
Also from an archived copy of the removed post:
But anyone who lives with rocket launchers installed or terror tunnels burrowed in or around the vicinity of their home cannot be considered an innocent civilian. If you’ll counter, that Hamas has been seen abusing civilians who have attempted to leave their homes in response to Israeli warnings to leave – well then, your beginning to come to terms with the nature of this enemy which should automatically cause the rules of standard warfare to be suspended.
My bolding.