No question these particular settlers are little more then thuggish louts and with their history it's not unreasonable that they be put in a cell then the key the thrown away. But that's not the full story. What provoked the rock throwing incident resulting in the permanent neurological damage. The incident itself is very serious and must be looked into with appropriate action taken.
UN: Gaza could be 'uninhabitable' by 2020 if trends continue (AP)
from the article: Mosque vandalized as settlers attack Palestinian village