The IDF may have all the gear, but Hamas have home advantage. People set much store by Israeli Intelligence but they failed to detect the preparations for the Hamas attack which were allegedly long in the making. It remains to be seen just how much they really know of Hamas and its defences. FIBUA is a dark art, especially if the other side have had time to prepare the ground. The temptation to raze the ground must be strong, even with all the collateral damage and civilian casualties that implies. The resultant destruction may well be critical for the allies of both sides, reducing support for Israel and increasing support for Palestine. There is a fine line to be trod.