That depends heavily on what you think the purpose of the justice system is. For most purposes, nailing the whale and breaking up the party is enough to set an example and send a message.
There isnt much value in incarcerating additional people simply for the sake of punishment/revenge. The other individuals are unlikely to cause future harm.
There isnt much value in incarcerating additional people simply for the sake of punishment/revenge. The other individuals are unlikely to cause future harm.