Is this just another scam, or is it actually possible that some people have genuinely profited from these groups?
You will never get to know the actual truth about this until you’ve joined the group and paid or maybe you know someone that won’t lie to you that have joined one before. This people are really good at what they do and how they advertise their services to make you fall prey of their act. You will never get to make any good win once you’ve subscribed and added to the channel on telegram.
Just see gambling as a game of luck and that anyone that gets to play and win, did it out of luck more than they did it out of the knowledge they have of the games. This is just like trading signal groups that provide signals, you’ll not end up making your money for subscription and will still lose big money you’ve funded to use as capital. Remember, nothing big of a reward like this comes easy.