100% agree with old smokey and buzz box.
In fact in CX we did a quick training session on the 2 methods ( mentioned above by buzz box ) of increasing thrust after V2 in the sim during the last PC. It also contained a detailed discussion on Vmca. ( Which in 200/300 RR and 300ER is not a problem after V2 )
What I do find incredible is a 777 Pilot asking this question on Pprune in the first place?