Comment on Research by KM

It was difficult for me to find the authors guidelines and the publication fee and the journals scope is a bit broad (e.g. politics, economics and law), apart from that I do not have any particular argument for its inclusion on the list.
The reason I am a bit concerned is that I regularly receive e-mails from publishers (most of them are on your list) to submit or review papers. Since the OA publishing industry keeps growing, it is important to distinguish which of them trully deserve attention.