>>13335840He didn't, Rock just stood up for the family against Cody. That's the whole point of the angle, Rock made a big splash while Roman hesitated which he spoke about minutes earlier. The build now will be Roman calling the shots but losing more respect and control from the others while Rock is the one they listen to. This is either Cody and Rock's 4D chess plan to take everything away from Roman (which would be kino in of itself) or the beginning of Rock's heel boss run.
