Nadav Shragai is not protesting against the arrest of anti-disengagement protesters. He is against the beating of minors while in handcuffs etc., and the brutality that that police are using while dealing with the protesters. Either you are blind, or you read the first two lines of the article and didn't like it, so you wrote your comment.
15 police officers killed in Colombia helicopter crash (Reuters)
from the article: Who does not know how to ask?