I clicked on the link wondering if the twist might be that it was from state-backed troll farm, but not the country we normally associate with state-backed troll farms... However, from the article: "This may not always be classic foreign interference in the state-backed sense. Sometimes it's much more banal. It's in some ways more depressing, ... People sitting thousands of miles away working out that Canadian outrag…
A true free speech absolutist would not be concerned with paid speech being blocked, in fact they should really be against paid speech, at least in the sense being discussed here. The point of free speech is to be able to say what you want and saying something else because you are paid to, because you can't afford to turn down the payment to say what someone else wants instead, is anti-free-speech.