He was a deserter and so he was not and should not be eligible for a military funeral. To do so devalues it's importance to the heros who died serving their country. You leave for 1 day, 1 week a month or a year your deserting even if you are in touch with your commanding officers and planned to return at a certain date. Unless you have been sent on a mission you should be wherever your ordered to be doing whatever your ordered to do. If the father cares for his son he should give him a family burial and if he feels the IDF wronged his son then that's his opinion and isn't going to change.
U.S. confirms ISIS computer expert killed in air strike (Reuters)