Groups/Cults applying BITE mind control techniques should be Banned!

i hope i can provide a reasonable/interesting argument. i don't feel strongly about this subject but i was able to identify a few main points as to why i think this is inappropriate. i should add that i don't support these groups or ideas personally. My first argument relates to the subject of freedom of speech and the right to gather etc. The act of banning these groups would involve the government investigating these groups, their beliefs, practices and then deciding as to whether these ideas or methods of teaching are appropriate or not. if they were found to be inappropriate such as in the case of implementing BITE tactics, The government would then tell the members they are no longer allowed to congregate or operate. so that raises the following problems. at what point is the group a group? . are 3 people allowed to gather in the method you are proposing to band what about 6 or 12 or 40? . are ex-members allowed to see each other? how do you police who they do and do not network with. for example. what's to stop the ex-leader going and visiting ex-members in their homes or continuing doing what they are doing? . And it's not just the leaders who are the problem. other members who have been brainwashed may still gather and encourage each other into the ideas further still, even without the leader or outside of a group/organisation setting. also banning this group would mean telling them that their beliefs/ideologies are wrong and are not allowed to congregate because of this. a think tank is legal,debate clubs are legal. they can discus and debate any idea they want. i can discuss any belief or philosophy with anyone i choose in any setting. it is unjust to prosecute or censor a groups beliefs or philosophy. now you may argue that the difference between these groups and others is their method of coercion, but isn't everything a matter of coercion. this debate is coercion. whenever i discuss an opposing idea with someone i am trying to coerce them. laws are coercion, education is coercion, a sales pitch is coercion. all groups with a unified philosophy are trying to coerce others into agreeing with their ideas. now obviously this, BITE method you mention is arguably a far more sinister form of coercion. and i would agree that it is. but any law that would ban these groups encroaches to much on freedom and liberty. and it's for these reasons that gangs or racist groups are not illegal either. because it means the government are deciding who can and cannot congregate and what ideas they can and cannot discuss and the methods of teaching,discussing or ritual they can and cannot use. plus these groups are very well ingrained in their beliefs and life styles simply banning them or separating the members will most likely not be enough to deter them from actually wanting to be together or to live together etc. as i stated before, it would be impossible to stop the members networking, even if their main organisation or place of residence was closed. and just to add on that last point about networking, they would simply operate underground. which is also the reason gangs are not illegal. so in summery my main points or arguments are. banning these groups is a violation of freedom of speech. banning these groups would not deter them or result in them ceasing to operate.