You will see that several of the bcc promoters have removed their videos and referral links in an effort to make evidence gathering more difficult. There are two points but guilt in one does not lead to guilt in the other.

Point one: Selling securities without a license. This is a crime in all countries. They could face criminal charges.

Point two: Causing loss to another - eg by promoting a ponzi scheme. They could be sued for damages if it can be shown they owed a duty of care to others.