Snitching is a derogatory term used in closed communities to prevent harmful (to the closed community) disclosure of information.
In on itself disclosing information is not a good or bad act. Depending on the outcome and goals of the person it can be heroic or treacherous act.
Manning was a hero. Lamo is a snitch and a traitor.
Manning was a hero. Lamo is a snitch and a traitor.