Leveling dungeons from Haukke to Ktisis use it, E1S, Puppets Bunker, SoS Extreme, all sorts of content. I think maybe giving it a longer recast but making it work on more attacks so you have to decide when to use it might be appropriate because right now it feels like a QTE reaction, and you're right that there are fights where its a dead button, but to say it has less use than low blow or negligible use at all is a crazy stretch.