Hamas exerts considerable influence over journalists. Look at what is and isn't being reported in the news.
In the news (AP)
Gaza Family Struggles to Survive In A Tent
Out of the news (Elder of Ziyon)
Grand Opening of the Gaza Mall
In the news (AFP)
Top EU Diplomat Calls for Further Lifting of Gaza Siege
Out of the news (Daled Amos)
Gazan Businessmen Demands Hamas Embargo As Israel Relaxes Restrictions
So Palestinians have enough cement and want to shield their businesses from competition from outside products. How come correspondents on the ground in Gaza aren't following up on these stories?