Probably a case of correlation vs causation with the haka
Re Falkners tears: it may have been tears of absolute frustration after two pretty hard injury set backs. She may have been mentally relying on the finals as extra game time to prove herself for the Ferns as well.
The Pulses coaching situation is an interesting one! I’ve found it hard to warm to Parata. Even in passages of outstanding play from the Pulse she would remain stone faced.