The article cites the opinion of an unnamed author of an unnamed “image encyclopedia.” Not really what I’d call definitive, which was the point.
In my circles back then, soft G was predominant. I wouldn’t cite that as evidence of a One True Pronunciation either.
There has always been debate about it. Hard G has certainly become predominant, but declaring that people that prefer soft G “weren’t on the internet back then” is revisionist at best.