Israel has a long track record of skillfully spreading its version of the truth into mainstream media.  Occasionally, it gets caught out. this should be a lesson for us not to accept everything we read in the mainstream media. If a military attack appears to be grotesque or excessive, it probably is.  

http://news.bbc.co.uk/2/hi/middle_east/7809371.stm

"Israel has tried to take the initiative in the propaganda war over Gaza but, in one important instance, its version has been seriously challenged.

 ...

The Israeli propaganda effort is being directed to achieve two main aims.

The first is to justify the air attacks. The second is to show that there is no humanitarian calamity in Gaza.

 ...

Israel has bolstered its approach by banning foreign correspondents from Gaza, despite a ruling from the Israeli Supreme Court."