As Awesmic said, it's best to try implementing new things in actual sets. It's the only way you'll get real results out of anything. Also trying new things can completely throw someone off.
DOANoob, Hajin's purpose wasn't to expose the Hitomi player, but rather expose the tech he found offline. Sometimes certain tech can only be best utilized in an actual match. I'm willing to bet my bottom dollar this was voluntary on both sides of the party for the sake of the bigger picture.
Just wanted to try out a certain okizeme set up with BTPP4PP - BT2K. It's good and has it's benefits, but it's not any better than some other things I've been developing.