That's why is called predictor.

It's not really actually accurate. IMO, If these really happened without any problem (lose) and gettin 30%/years is quite to smooth since we all know from one of our history investment casino threads: https://bitcointalk.org/index.php?topic=5239794.msg54203954#msg54203954

Casino Investment still get some lose (while people think casino business is always profit) + potential the site is closed as well.