I guess that's the first thing to do, avoid all groups that could only lead us into future losses, and even the one that you are listing OP, if it shows red flag from the start, then it should also be avoided. However, newbies could always be an exception from this since they ought to do what they think are right, and that relying to telegram groups hoping that it could offer them some valuable help. When in fact, it could be the reason they they'll lose everything they have.