I don't think it's worth much even if you are a gamer. Unless you're at the absolute top of the game, the fraction of a second you save on your inputs isn't going to make a bit of difference (and even for those at the top of the game I have serious doubts that it would). But a lot of gamers are young and extremely gullible, so it's easy to sell them snake oil like this. This sort of thing is like the high end cables marketed to audiophiles, it is all hype and no substance.