What is your basis to tell them that they are scam? Do you have any strong proof to validate your accusation? Or do you experience some bad problems,errors or anything that feels you that you have been compromised? Just show up some great evidence here so you can warn people cleanly to avoid this site, words are not enough for us to believe your point since you are using a newbie account, or much better for you to post a scam accusation so people could see it more clearly.