Because they think that if they joined to that paid trading group, they would have the opportunity to make a big profit because they see that group promises to share the accurate trading signal. That makes many people greedy and decides to join with the paid trading group without thinking about whether they will share the real signal or copy-paste from the other group. But if they can learn by themselves, I am sure that their profit will be big too because they can analyze the coin and buy it at the right time. But we can use their signal to be our guide to analyze more to find the time to enter the market.