Shizuka did as Evan suggested, and took in a deep breath. She had a lot to take in, and just like the air filling her lungs at the moment she did so...
It was obviously not Riku since he's not an Organization member, and why would he want the Peddler to not say anything about Jafar. If anything Riku...
I doubt it'd be clunky if it was assigned to a L2/R2 + D-Pad command and flowed well into combat, it wouldn't be any different from any other combat...