"A secret US diplomatic cable sent in late 2008 said:
Israeli officials have confirmed to Embassy officials on multiple occasions that they intend to keep the Gazan economy functioning at the lowest level possible consistent with avoiding a humanitarian crisis... As part of their overall embargo plan against Gaza. Israeli officials have confirmed... on multiple occasions that they intend to keep the Gazan economy on the brink of collapse without quite pushing it over the edge." [The New Middle East: The World After The Arab Spring, by Paul Danahar, p. 161]
Israel's modern army CAN avoid more civilian deaths and injuries. They just don't care.