Is there any difference between signals shared on those platforms and signals in telegram, facebook or X? I bet they are the same, and if you think newbies can improve by taking signals from there, then why can't they improve from signals on social networks?

I agree that having an environment for us to learn and share experiences with each other is a good thing. But if you make it a place for you to find free trading signals without your own analysis then it is no different from any other social network. I think whether they are really useful or not depends on how we use them , they are simply a place for discussion like any other social networking platform.