Absolutely for stability. When those guys are braking into a corner going down from 180 MPH to 70 MPH, applying the back brake is gonna make you fish tail a lot of the time. Its all about suspension, suspension,suspension. I assume Lorenzo has a bike where technicians have his suspension so dialed in that he rarely needs to stabilize.
NEW TO FIREBLADES by the way.
2002 Honda 919
modified minorly