Are they helpful or scammed or wastage
In your view, are experienced traders will helpful by providing signal services or not
Will here is any option to remove scam type of signals?
I think, Signal Providers will be good for beginners, if they will provide signals after take some experiences. This will serious business but if providers take it seriously.
Trades are not predictable therefore traders do cash management by their experiences.
So my answer is Signal provider will be good if they were experienced and Users have also take a look to their statistics or whole trades deeply