On Wednesday, hundreds of employees of video game company Activision Blizzard walked out. The protest followed a lawsuit from California regulators accusing the maker of World of Warcraft and Call of Duty of unfair pay and lack of advancement for women and a “frat boy drinking culture” at the company. Management eventually apologized for its initial, dismissive response to the lawsuit and promised to investigate. Sarah Needleman covers video games and technology for The Wall Street Journal. She said men have dominated the video game industry for years, despite a roughly 50-50 split among players.