Well, I'm naively assuming Grokipedia is being sympathetic to the cause(?) of Gamergate, but if the best thing they could lead the article was essentially "It all started when someone got mad at his ex-girlfriend and her many other boyfriends and wrote something that went viral" ...

... it does sound like an online harassment campaign.

It was. In hindsight it signaled the beginning of the mass weaponization of the internet via social media. It also was NOT grassroots lol. It was very specifically and intentionally enflamed and groomed and funded by people like Steve Bannon and his good buddy Jeffrey Epstein. It wouldn’t have such a big Wikipedia article without them.