FACT 1: HYP devs allowed the public hours to participate in their ICO, when they knew it was going to be forked weeks beforehand. Proof is in the OP

FACT 2: Knowing Fact 1 is highly illegal, they edited the fork date out of the present day ANN.

Regarding the fake PM's, I wonder why the criminals refuse to prove they exist

Draw your own conclusions whether this is a legitimate "experiment" or just another scam designed to separate you from your Bitcoins.