I’m not sure if it would be better or worse to know if something happened that led this person to decide that peeing on people was an appropriate response, or if he just decided it would be something worth doing independently.
In this case, if there was any sort of inciting incident that led to the urination, it’s not public knowledge.
It’s not clear if the alleged battery was aimed specifically at the women or just at whoever happened to be seated in front of him.
When we hear about incidents where crimes take place inside movie theaters between patrons, it’s frequently over something inconsequential, like somebody talking during a movie, that gets out of hand.