Those Reddit comments, wow. Every single user that endorses the service writes with the same broken English.
Totally legit, astroturfing.
That said, anyone dumb enough to buy a hitman online would probably trust those comments. I mean, just look at all of the satisfied Redditors that have come forward to talk about the murders they helped commit. It must be true! Did you see the videos? Here, look at the videos. LOOK AT THEM!