Since Israel had time to plan their attack for a few years then the reasons for those attacks were probably there for at least that length of time. From 1948 to 1967 the life for the average Palestinian in that area was the same, military occupation and loss of property by the same methods that were used ever since Nov, 47. To plan for more than 2 years and then put the blame on 14 small incidents (as soon as the practice is over) over the span of a few months is posturing for the news only.
To judge correctly (as to if 'somebody' should come to the aid of the people of Gaza and the West Bank) then you need to look at the previous few decades. Even just from 1950-67 do a side by side comparison of violent events. There was a steady of refugees, land continued to be 'taken without compensation', etc. The UN had drafted resolution, many in fact, every one vetoed by the US. It is just the conduct that is being appraised at this moment. The collected armies were attempting to curb Israeli terrorism og the Native people there. It should have been UN Troops that were sent in as it was their document that said the Native People had certain rights. That was breached within a few hours of it being signed. The ones who voted for the theft of their land also did nothing to curtail the continued abused, no matter how many complaints were filed.
Just because airports and open desert are perfect for air-campaigns that does not mean it can be used successfully in a crowed civilian environment. That is why the Arab forces were with army units. that is who can go and take a land location with the least amount of civilian deaths. The Arabs were willing to fight that sort of war.
Israeli and American tactics allow for large civilian body counts, saves them having to kill them later.
The above is not even coherent.