Glitch 3 Crota forever kneeling players can be banned [quote] Modification or interruption of Destiny network traffic with intent to disrupt other players’ experiences or to gain advantage in the game [/quote] http://www.bungie.net/en/Help/Article/11929 leaving the game is a interruption of Destiny's network traffic for a player to gain an advantage, so far i have not heard of any players being banned for doing this players can be banned.