http://www.haaretz.com/print-edition/news/west-bank-sees-lowest-idf-troo...
Those who say that progresses in the security were not acknowledged by reduction of Israeli military presence in Judea Samaria were just lying, forwarding HAMAS propaganda.
So the security fence had a good deterrent effect and now, the security of a good part of Judea Samaria is in the hands of dictator Abbas's troops.