It is, and I'm aware of the less charitable (perhaps more likely) readings. But much of the time it isn't difficult to know who to attribute because they are explicitly featured in podcasts about the respective article.

You’ve misread what I wrote. I wasn’t explaining why there are no bylines. I was saying that when there are no bylines, any mistake reflects poorly on the newspaper as a whole. It wasn’t Shashank Joshi who got it wrong, it was the Economist.