The ones on the forum forum here were most of a reputable ones except for the one you mentioned, and if you notice by clicking it, there will be a warning message reporting their scam danger to you, those are the types that had been tagged with red flags on the forum and if you also gibe more closer look, you will discover that all the established and reputed members of the community stay off their campaign, you can as well make use of the search engine to get more informations on areas that needed more explanation about the forum.