I think he manages his meter pretty poorly as well, he breaks everything, but that's okay considering the mistakes he commits, its only natural building meter just to break combos.
But sometimes you better off saving for next round, but he doesn't do this, in this current meta i can easly open people far more and get better rewards while doing it, meter management is a good part of any player game, it should be at least.
In my case, since i save lots of meter now, when they break a regular meterless 30% combo they won't be able to break or escape the ex TP throw MB combo that can come afterwards and deals over 40% damage