Quite unfortunately. They added that 2 btc discount fee and disappeared...
I didn't even get a chance to properly examine this rAmbomix scam, but watch out if they try to use this coins to create another spin scam with different name/design 
I said many times that any new mixers that appear should be considered high risk and they should be examined and investigated before sending any coins to them.
Yeah, I got your points, l Will let you know that one great advantage on the mixers space is continuity, while Bitcoin mixers can significantly enhance privacy, we also experience some of them that comes to exploit users. A consistent mixers is a proven of a strong track records of general users satisfaction over times.
It is good to take good note of certain mixers that enter into the mixer ecosystem on this lists and updates on a regular basis. However, the scrutiny of new mixers on the crypto economy may depend on users, or the crypto community, who may act as regulatory body on vital informations about mixers in my opinion.