Ah yes, as Pullum timelessly put it, "To continue reading for FREE, please sign up". An un-walled version is (legitimately, so far as I know) at https://www.cambridge.org/core/services/aop-file-manager/fil... .

[EDITED to add:] I don't know how close to identical this is to the Chronicle article; at the end it says "Adapted from an article written for The Chronicle of Higher Education"; my guess is that essentially nothing was changed, but I haven't tried to check.