[kuerbel]

>Why does it matter that a Guardian article was the thing that gave the writer the missing link?

Why? Isn't that kind of obvious? He says he fears that it will enter public life as a kind of political vocabulary. It was in the Guardian, read by millions, shaping discourse. It already entered public life at that point. It's relevant.

[neutronicus]

He's also implying that the original Guardian article missed the significance of the detail - indeed, this alleged inattention from mainstream media sources is part of the justification for writing the piece at all.