They did publish a correction. Some pithy blurb like "Blah blah blah, we regret the error."
To their credit, most warmongers didn't have the stones to do a mea culpa.
Regardless, I unsubscribed and never looked back. (Ditto The Atlantic, for the same reason. Impotently, I didn't have a NY Times sub to cancel in protest.)
During the run up to Bush's Folly, one of their wizened writers related how The Economist regarded the Vietnam War, noting the similarities, noting The Economist's moral failings, wondering if they'd repeat the same mistake.
The study shows that they weren’t wrong or right in equal measure, they were right more often, considerably so. But that doesn’t mean that they were always right.
Were they wrong or were they insincere/dishonest?