I couldn't even care less about his review if he didn't try to actually extort me and that's when I decided to publish this so the same thing won't happen to others.
But do you think that a $1k review by one service can turn such a scam project into a legit one? What is the actual potential value of your project and is your visibility marketing budget lower than $1k?
If the antidolos (unpublished) claim is untrue, then there is no need to worry about any blackmail here and move on. However I'm still curious about the antidolos investigation of this project. hehe