After all, it is the government duty to serve and protect its citizens interest. When a cult member well-being is under a threat, it will be at citizens cost to help rehabilitate them. Therefore that should constitute the cult in question to go under review and make sure that it is not being cause harm to its members and that it is not becoming a burden to the system (citizens of the country it is operating in). After such a review is conducted and if the cult is found on the wrong side of the law then any operations concerning that cult should be shut down. When a cult is allowed to operate in Canada, all things illegal should be restrictions that will constitutes a shutdown should a cult violates them. These are things such as an physical harm to a person, illegal drug use, animal sacrifices and all other illegal behaviour.
Separating group members and their leaders will hopefully bring some peace and rehabilitation to them and steer them away from any brainwashing and acts of violence. Despite anyone having the rights to practice religious belief and cults anyone that breach another person's rights or commit a crime to serve that group should be banned and not be allowed to be part of that group, whether be a leader or follower. Religion and cults has always been a hot top in the first world countries because of how they usually contradict with the laws of a