alt Hacker NewsGamerGate was about journalism in the same way that the Russian invasion of Ukraine was to protect the rights of ethnic Russian minorities in that country. The GamerGate people used ethics as an excuse because that sounds a lot more reasonable than “hate mob riled up by a bitter ex”, but it fell apart as soon as you looked at the evidence (e.g. they were most focused on attacking a developer over a relationship with someone who never reviewed her games), where they went for support (right-wing agitators with low journalistic ethics), and all of the real issues they ignored between huge gaming companies and the major media outlets.
The excuse was as believable as someone saying they were super concerned about ethics in tech journalism, but then never said a word about a huge tech company and spent all of their time badgering the Temple OS guy for sharing a meal with an OS News writer.
Or, you know, people had long been unhappy with the poor state of game reviews and the incident in question prompted broad complaints. Rather than accept criticism the journalists in focus instead decided to use their platforms to smear their critics as a sexist hate mob.